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Learning to pronounce Chinese properly comes with a number of challenges, some of which all learners of foreign languages encounter. In general, we need to learn two things. First, we have to learn how to pronounce and distinguish sounds that don’t exist in our own language. It is only natural that we find this difficult sometimes. We also need to understand tones and intonation, both being quite different in Chinese and English. With practise and a good teacher, these challenges can be overcome.

Second, we need to learn how these sounds are written. Most importantly, learning how to write sounds enable us to study pronunciation properly. It’s also more or less a requirement in modern society, because most Chinese input methods on computers and phones are based on typing the sounds rather than the characters. The currently dominating romanisation system is called Hanyu Pinyin (汉语拼音), but there are many others. I will write about other romanisation systems in other articles, but since Hanyu Pinyin (henceforth just Pinyin) is completely dominating, that’s what this first article is about.

This is a guide, not a rant

In this article, I don’t intend to argue that Pinyin is better or worse than any other system. Instead, I’m going to focus on some of the traps and pitfalls that students might fall into while learning Pinyin. In other words, I will highlight some tricky parts that I know from experience that students find difficult (I have taught a number of beginner classes in Chinese).

I intend to discuss these problems so that we can learn how to overcome them. This article is for any student who is learning or who has learnt Pinyin. Some of the things I mention below took a long time before I noticed or read about, so even advanced learners might find this interesting.

Learning pronunciation as a beginner

Before I start going into details, I want to say a few words about learning to pronounce Chinese as a beginner. Learning proper pronunciation is a matter of taking responsibility. If you’ve just started learning Chinese, your teacher will probably help you a lot, but the likelihood is that you won’t receive as much help once you’ve learnt the basics. Don’t forget: If your teacher doesn’t correct your pronunciation, this is most likely not because your pronunciation is perfect. You have to ask specifically for some teachers to keep on correcting you beyond the stage where you can make yourself understood. Likewise, if native speakers praise your Chinese, be happy, but don’t use it as an assessment of your actual ability.

Your teacher should have already told you what I’m going to bring up in this article, but since I know that many teachers don’t do that and that many students still make these mistakes, I think these problems are worth highlighting. Also, some students learn on their own without a teacher.

The list of issues below isn’t exhaustive, but I have tried to include those problems that learners are likely to be less aware of. Thus, I have not included “i”, “u” and “ü” changing at the beginning of syllables (to “y”, “w” and “yu” respectively), since I think most people will have already learnt this in their first week in class. The definition of “less aware of” is very vague, though, so if you have suggestions for additional issues, let me know!

Some caveats and warnings

Please note that these problems usually arise because of a poor understanding of Pinyin. This might be because the teacher doesn’t explain well enough, because the textbook is bad or the student isn’t paying attention. It doesn’t really matter which, the important thing is that there are some problems and those need to be addressed.

Something should also be said about dialects. Mandarin is spoken by hundreds of millions of people over a vast area. Naturally, there is a lot of variation going on. I’m not writing this article to say that all other variants of Mandarin are useless or bad in any way. Still, I think most people should and want to learn standard pronunciation to start with, even if I encourage people to experiment with dialects later on.

Pinyin traps and pitfalls

I have sorted this guide into several areas:

For sound references, there are any number of sites out there to help you:

Most of the phonetic symbols I use here are from San Duanmu’s The Phonology of Standard Chinese, a book I thoroughly recommend. I have included some samples here as well, thanks to Zoe for those! In case you’re curious about the dialect, she’s a teacher from Beijing.

Vowel omission

Spelt o, pronounced as uo

The syllables bo, po, mo, fo are actually pronounced buo, puo, muo, fuo (listen), which means that they rhyme with duo, tuo, nuo, luo and so on (listen and compare). Using IPA, this sound is written [woo]. For example, bo and duo are written as [pwoo] and [twoo] respectively. As we can see, these syllables rhyme.

Spelt iu, pronounced iouThe syllables diu, liu, niu, etc. are pronounced as -iou and should rhyme with e.g. 有 (“have”), so you and liu using phonetic symbols are written as [jəu] and [ljəu] respectively. Just don’t forget the -ou sound and you’ll be fine. For a more detailed discussion of this sound, check my answer here.

Spelt ui, pronounced uei - Syllables ending with -ui, such as dui, tui, shui, sui, etc. are actually pronounced as if ending with -uei, which is [wəi] in phonetic symbols. Thus, dui should be pronounced [twei], having the same final as mei, fei, dei, etc. Here’s how dui and mei are written with phonetic symbols: [twei] and [mei]. Don’t forget the rounding of the lips on [w]. Listen (dui, tui, shui).

Spelt un, pronounced uen – Syllables such as lun, dun, shun, zhun and so on are all pronounced as diphthongs (double vowel sounds). Using IPA, sun would thus be written [swən], but it might help to think of this as su + en. Don’t forget the rounding of the lips on [w]. Listen (lun, dun).

Vowel overlap (one vowel, many sounds)

e - This letter is actually pronounced in three different ways (or four if you want to be very detailed, but let’s not). First, in final position and when it’s the only vowel, it is a close-mid back vowel [ɤ]. Second, following an i, such as in lie, die or xie, it becomes a close mid front vowel instead, [e] (note: sometimes the “e” in e.g. mei and mie are rendered differently, with the second using [ɛ]). Third, before the nasals -n and -ng it becomes central vowel, [ə]. Compare (listen): le [ɤ], lie [ljee] and leng [ləŋ].

a - The letter a can also be pronounced in three ways. First, as an open central vowel [a], in these combinations: ia, ai, an. Second, if followed by a nasal ŋ or -o, it’s pronounced as a back open vowel [ɑ], such as in -ang, -ao, -iao, -iang. Third, it can also be pronounced as close-mid front vowel, [æ] (or [ɛ]) in -ian (including yan) and -üan. Compare (listen): lan [lan], lang [lɑŋ] and lian [ljæn].

i - The letter i represents some wildly different sounds in Mandarin. First, it’s a front closed vowel [i] and occurs in: mi, bi, ti etc (listen). Second, it can be pronounced further back and slightly more open  [ɪ] in -ai and -wai. Third, i represents the empty rhyme following z, c and s (this sound can be described in many ways, but it’s fairly close to English [z]). If it helps, think of these sounds as zz, cz and sz (listen to the first three syllables). Fourth, it also represents the sound following zh, ch and sh. This is the same as the previous sound, but pronounced in the retroflex position (i.e., the tongue is curled back as when producing the zh, ch, sh sounds; the tongue doesn’t move much). This sound is also fairly close to a thick, retroflex r, so it’s possible to think of these sounds as zhr, chr and shr (listen to the last three syllables and compare).

-in/-ing, -an/-ang, -en/-eng

These pairs cause problems, because many students look at the spelling and see the same letter and therefore conclude that the vowel sound in -in is identical to the vowel sound in -ing. This is not the case. In standard pronunciation, the quality of the vowel sound is different in e.g. yin and ying. The first only contains a single vowel sound, whereas the second is a combination of i and -en and is almost pronounced as a diphthong. Compare (listen): yin [in] and ying [jəŋ].

In the case of -an/-ang and -en/-eng, it you can clearly hear that the nasal [ŋ] influences the preceding vowel. Listen and note that the sound is farther backl in the second word in these two pairs: lan, lang and ben, beng.

Actually, the way -n and -ng are pronounced causes some problems, because it’s not entirely the same as in English. The -n is close enough, but the -ng is pronounced much farther back in Chinese than in English, making the difference between the sounds bigger. However, note that depending on region, many native speakers can’t distinguish these two phonemes and pronounce both as -n.

Aspirated and non-aspirated consonants

The difference between the following consonants in Mandarin is aspiration (i.e. followed by a puff of air), which is usually written as superscript h with phonetic symbols. This is different from English, where voicing is part of the difference. In Chinese, the first consonant is not aspirated, the second is aspirated:

  • b/p, d/t, g/k, j/q, zh/ch, z/c

Note that none of these consonants are voiced! If you put your fingers to your throat, you should not feel the vocal cords vibrating as when you say [z] in English. In fact, no consonants or glides in Mandarin are voiced, except these:

  • m, n, ng, l, r

Why so many inconsistencies?

After a while, most students ask themselves this question. Why all the irregularities? It’s easy to explain why English spelling is irregular (it wasn’t designed, it has evolved for over a thousand years), but Pinyin is a relatively modern invention. I’m not going to go into details here, but I just want to point out that there are explanations for most oddities, which means that they aren’t really oddities at all.

I’ll give you three examples:

  • Why is ü sometimes written u? It’s only written u when there is no ambiguity. For instance, is redundant, since there is no xu sound in Mandarin. Thus, using u for words where there is only one sounds saves some diacritics and is easier to use once you’ve learnt it. Considering that Pinyin wasn’t designed with foreign students in mind, this becomes a lot more logical.
  • Why does the spelling of u, i and ü change at the beginning of words? Let’s use a common example, the word wenyan, which is pronounced uenian. However, as you can see, the second spelling is a bit awkward, because it can be parsed in many different ways (u-en-ian, uen-i-an, etc.), wenyan on the other hand can only be wen-yan because w and y can only occur as initials and there is no risk for misunderstanding. Have you ever typed the name of the city 西安? In most input systems, you will get the syllable xian (such as in 先) and need to add an apostrophe and type xi’an. If we didn’t have w, y and yu at the beginning of words, this would happen much, much more often.
  • Why all the confusion with one vowel, many sounds? This is because the Chinese syllable is typically broken down into three parts: initial, medial and final. Thus, you shouldn’t think of each letter as being a separate unit, but rather being a part of one of either the initial, medial or final. If we look at a, we should regard -an, -ang and -ian as three different units. Sure, they all contain the letter a but you should learn the pronunciation of these units, not of the individual letters.

I have taught Mandarin pronunciation a number of times now, both to individuals and in bigger classes. I have also learnt Pinyin myself fairly recently. Most of the things I’ve written here I have found out along the way, some things at the very beginning, others much later. I hope this guide will help you to improve your pronunciation in Chinese!

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19 Responses to A guide to Pinyin traps and pitfalls

  1. nanpyn says:

    1. I also read the book. :) It’s mostly accurate; however, there are a few errors. 還是一本好書,「瑕不掩瑜」啦。

    2. The reason why bo, po, mo, fo are not written as buo, puo, muo, fuo is the degree of rounding is not so much as the true -uo syllables. Note that b-, p-, m-, f- are already lip sounds. If we did write buo, puo, muo, fuo, the [w] would sound too strong. In Mandarin Phonetic Symbols, the weak [w] is also missing in the written form. i.e. 用注音寫也是ㄅㄛ、ㄆㄛ、ㄇㄛ、ㄈㄛ,而非ㄅㄨㄛ、ㄆㄨㄛ、ㄇㄨㄛ、ㄈㄨㄛ。

    3. In fact, no consonants or glides in Mandarin are voiced, except these:

    m-, n, -ng, l-

    Plus r- ← But people tend to pronounce it like an approximant, so the voicing is weaker and the following empty rhyme or final is more obvious.

    And I wonder whether the -r in er-suffixation also counts (consonant overlap: one r with many sounds).

    • Olle Linge says:


      I fixed the spelling mistake you pointed out in your comment, no worries. :) Regarding the pronunciation of -uo, the difference is reflected in both Hanyu Pinyin and Bopomofo (compare bo, tuo, etc.). However, even though there might be a slight difference, I think it should be pointed out that these sounds are much, much closer than some other sounds that are given the same spelling. Also, I think it’s hard to say what is the “correct” way of transcribing this sound. Duanmu uses the same phonetic symbols and he’s not alone. The fact that it’s different from Bopomofo doesn’t mean it’s wrong.

      Thanks for pointing out r- and -er, I just plain forgot about them. As you say, there are a number of different ways both of pronouncing and transcribing r-, but should still be mentioned. I think 兒化 should also count, although I don’t consider that crucial in this case. I have added r- to the article, thank you!

  2. nanpyn says:

    About Duanmu’s book, the errors I mentioned have nothing to do with the symbols actually. :p Those are fine. It’s about overgeneralizing partial facts. I remember there’s section on Taiwanese accent in that book. It’s a useful reference and worth reading, but I think the samples the author collected were not sufficient enough to represent all the traits in Taiwan. It has been a long time since I read the book. I need to confirm it.

    I’ve learned a lot from your article, informative and clear. Thanks~

    • Olle Linge says:

      Ah, I see. I don’t remember the section on Taiwanese Mandarin very well, but I think overgeneralisation is a quite common error not only in this case, but in most research, especially in secondary sources. Still, I think the book is one of the most interesting one’s I’ve read about languages. It covers a vast area of linguistics and yet manages to be readable and comprehensive. Basically, it’s the book that made me realise that linguistics can be quite fun. :)

  3. nanpyn says:

    Oh, my God. It should be “a section.” Another negative transfer from Chinese, ha.

  4. Dr Buttocks says:

    Thanks for the discussion on Twitter. I finally managed to make it home and track down some of my old textbooks.
    According to Ladefoged’s contribution to the Handbook of the International Phonetic Association, under the conventions section for American English, the consonants [b d g] “have little or no voicing during the stop closure, except when between voiced sounds”. Though my scrawled margin notes show that my lecturer seemed much more insistent that we transcribe using [p t k] instead of [b d g] than the handbook suggests.
    Seems to be more a case of allophonic variation, so I’d like to retract my original, more definitive, statement on the subject on Twitter.
    Thanks for challenging me on it, as it’s helped my understanding further.
    And, again, a great article!

    • Olle Linge says:

      It is I who should thank you for the challenge! I wrote that paragraph without thinking too much and only realised that there might be a possible problem once you raised it. I think challenging and being challenged in a reasonably friendly way is an excellent way to learn, which is partly why I like publishing articles like this and discussing them with people.

      Regarding these stops, as I said on Twitter, there is a significant difference between English and Chinese, but it’s not as clear cut as I made it look. As you point out, these stops are often voiceless in English too and there is aspiration as well, although perhaps most native speakers don’t realise it (compare p in spin and pin). So, thanks again for highlighting this!

  5. […] Practice pronunciation and meaning at the same time – If you’re writing characters, you might as well throw pronunciation and meaning in there as well. Write the pronunciation and meaning of the character next to it. If you’re sure how it’s supposed to be read, say it aloud. Otherwise, mimic the pronunciation here. Do not guess the pronunciation based on the letters used to spell it. Pinyin has several traps and pitfalls you need to be aware of as a beginner! […]

  6. Kai says:

    such a useful article!

    however the “Listen” links return an error, “this page cannot be loaded via the proxy”

    • Olle Linge says:

      This is probably an error at your end, the audio works perfectly here and the sound files are available on the server as intended. Based on the error message, something’s wrong with your proxy, but based only on that error message, I have no idea what. You probably know more about thees things than I do anyway! You could try right clicking and saving the audio instead? In any case, the links work fine for me.

      • Kai says:

        yup, sorry about that, I only get that message on my Android phone … using Chrome Beta. Works ok on other Android browsers, on a PC, and on iPad.

        While I am here, I can ask you a perhaps more interesting question :)

        I have always learned using pinyin, but being in Taiwan, I’ve often thought I should learn zhuyin/bopomofo. I imagine it is less wrong, or at least differently wrong, as a system of phonetic representation. So should I learn zhuyin? And which phonetic system do you like best? :)

        (I recently asked a Chinese teacher which is faster/easier to write for her (on the board), pinyin or zhuyin. She said pinyin because you can write it all in a line.)

        • Olle Linge says:

          I think Pinyin is more practical to use and I type relatively quickly with Dvorak + Pinyin input, switching to Zhuyin would seriously decrease typing speed for a long time. I also find it easier to write by hand, although that’s mostly because I haven’t used Zhuyin in a while and wouldn’t be a big problem if I decided to start using it. From a pronunciation perspective, I think it’s worth learning Zhuyin simply because you’re not as constrained by orthography. This benefit is two-fold. First, you are less likely to suffer transfer from your native language, but instead forced to just listen. This can of course be done with Pinyin is well, it’s just that you have no choice with Zhuyin. Second, there are studies that show that orthography does influence both production and perception of a foreign language. Thus, it might be the case that it’s actually harder to hear/pronounce sounds that are not present in the written system (there are many examples in this article). As you can see, this topic is complicated enough to merit an article of its own, which is indeed in the pipeline!

  7. […] happens when I encounter something which I think is very important but hard to find online (such as my guide to Pinyin traps and pitfalls), or when I find something which is related to learning Chinese and is so interesting that I think […]

  8. […] indepth guide to pinyin traps and pitfalls on the hacking Chinese blog is a must […]

  9. […] present in English (or Spanish, French or Portuguese). The Chinese “b” and “p” sounds aren’t distinguished in the same way that they are in English, so a word that (in pinyin) is written with a “b” sometimes sounds like a “p” to my ear, […]

  10. Jason says:

    Regarding the pronunciation of b/p, actually Chinese and English are similar in that the feature that differentiates them is predominantly aspiration, not voicing. English does have sort-of voiced consonants, but there’s a voice-onset lag (the voiced part comes slightly after the articulation)so they’re arguably not truly voiced.

    What this means is it’s not really worth fretting about ‘b’ in Chinese if you’re a native English speaker. P is more or less ok, but in Chinese the aspiration is stronger. For an English speaker, that’s a very easy minor adjustment.

    If you’re learning a language like French or Russian which have truly voiced consonants, people can have difficulties understanding you if you don’t work on differentiating voiced/unvoiced consonants, but in Chinese it’s a very minor difference.

    • Olle Linge says:

      Yes, I agree with at least the first part. However, I don’t think that mastering voicing in Chinese is necessarily an easy task for English speakers. Sometimes adjusting existing categories is much harder than creating entirely new ones, at least if we look at a slightly longer time period (it’s of course easier to approximate similar sounds, but it might be hard to move beyond this early approximation). Having taught a number of people with English as their first language, I don’t think that aspirated initials in Chinese are easily mastered, but I do agree that the unvoiced, unaspirated initials typically aren’t a problem since they can be understood even if pronounced as they are in English.

  11. Livonor says:

    Man that`s fantastic, why don`t you compile all that information spread to your posts (and the other useful things you know from other sites and books as well) in one simple guide in text/pdf? As a recent learner I fell that the biggest problem is that all that information is spread between so many real and virtual pages that ones can`t get it without wasting hours reading unrelated things or thing he already knows, add to that the differences and contractions between different authors and the problem becomes even bigger.

    The ideal guide would contain almost everything you need to know about grammar and pronounce without spending too much time discussing about simple and conceptual stuff but without hiding all the details that courses and teachers won`t tell you.

    • Olle Linge says:

      I am in fact working on just such a guide, which is meant to be something like a Hacking Chinese 101 that goes through everything you really need to know without focusing too much on in-depth discussions and detailed descriptions. The problem I face when writing anything like this is that if I could somehow magically transform what I want to write into a book, it would be ten thousand pages long, so I need to figure out what to focus on and how to limit the scope. This isn’t easy!

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