How to pronounce “bu” in Chinese
bu = b + u,[pu].Used in 2 tones and 12 words from HSK 1–3.
Hear it, then say it
Tap play for each tone, then record yourself — your pitch curve is drawn on top of the model.
补充bǔ chōng — to replenish
In real speech this tone is mostly LOW, not a full dip-and-rise. Drop to the bottom of your range and stay there; the rise only appears when the syllable is said alone or at the end of a phrase.
— model— your pitch· Shape, not score. Scoring lives in the app.
不用bù yòng — need not
Start at the top and drop fast, like a firm “No!”. Short and decisive.
— model— your pitch· Shape, not score. Scoring lives in the app.
对不起duì bu qǐ — I'm sorry; excuse me; I beg your pardon
No pitch shape of its own: short, light, and pitched by whatever came before it.
— model— your pitch· Shape, not score. Scoring lives in the app.
Same sounds, different word
These words are built from the exact same consonant and vowel. Only the tone tells them apart — which is why tones are not decoration.
to repair
Third tone — low dip
no; not so
Fourth tone — sharp fall
The initial: b
[p]
- What the mouth does
- Lips together, then released with no puff of air. The vocal cords stay quiet until the vowel starts.
- Closest English sound
- Closer to the p in “spin” than to the b in “bin” — English b is voiced, Mandarin b is not.
- Where learners slip
- Adding full voicing, which is harmless in isolation but makes b and p sound identical once you speak fast.
- Drill that fixes it
- Hold a strip of paper in front of your mouth: on b it must not move at all.
The final: -u
[u]
- What the mouth does
- Lips tightly rounded and pushed forward, tongue high and back.
- Closest English sound
- The oo in “food”, with more lip tension.
- Where learners slip
- Relaxing the lips into the u of “put”.
- Drill that fixes it
- Round the lips so hard you could hold a pencil in them, then say it.
“bu” in real words
Every word below comes from the HSK 1–3 vocabulary, so you can practise on words you will actually meet.
| Word | Pinyin | Meaning | HSK |
|---|---|---|---|
| duì bu qǐ | I'm sorry; excuse me; I beg your pardon | 1 | |
| bù | no; not so | 1 | |
| bù yòng | need not | 1 | |
| bù duì | incorrect | 1 | |
| bù dà | not very | 1 | |
| bù kè qi | you're welcome | 1 | |
| shì bù shì | is or isn't | 1 | |
| chà bu duō | almost | 2 | |
| bù guò | only | 2 | |
| bù yào | don't! | 2 | |
| bǔ | to repair | 3 | |
| bǔ chōng | to replenish | 3 |
Tone change you need to know
When a third tone is followed by another third tone, the first one is pronounced as a second tone. 你好 is written nǐ hǎo but said “ní hǎo”. The writing never changes — only the mouth does.
Third tone before any other tone. Before a first, second or fourth tone, the third tone loses its rise entirely and stays low. This “half third” is what you hear in almost all real sentences.
Syllables you might confuse with this one
One sound apart from this syllable — the pairs that make natives mishear you.
Questions people ask about this syllable
How do you pronounce “bu” in Chinese?
“bu” is the initial b plus the final u, pronounced [pu]. Lips together, then released with no puff of air. The vocal cords stay quiet until the vowel starts. Lips tightly rounded and pushed forward, tongue high and back. It occurs in 2 tones, and the tone changes the word completely.
What does “bu” mean in Chinese?
It depends entirely on the tone. bǔ 补 — to repair; bù 不 — no; not so.
Which mistake do English speakers make on “bu”?
Adding full voicing, which is harmless in isolation but makes b and p sound identical once you speak fast. Relaxing the lips into the u of “put”. Fix it like this: Hold a strip of paper in front of your mouth: on b it must not move at all.
The other half is producing it so a native hears the right tone. The free 2-minute check tells you which syllables are actually your weak ones.