num.
Ten thousand, the largest standard unit of ancient Chinese counting. Countless, myriad, all things; also "absolutely / utterly" in emphatic negation (e.g., 万万不可).
万
Common Usage & Traps
- 一万 — ten thousand
- 十万 — one hundred thousand
- 一百万 — one million
- 一千万 — ten million
- 一万二 — twelve thousand (casual shorthand)
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万块一万块When 万 is the whole number, Chinese needs 一 before it. 万块 sounds broken.
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十千一万Chinese does not build ten thousand as 十千. It has the unit 万.
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一个万一万You don't put 个 before number units like 万. It is part of the number, not a countable object.
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一百五十千十五万Chinese groups by 万, not by thousands. 150,000 is 十五万.
Why does 150,000 become 十五万, not 一百五十千?
Chinese counts in ten-thousands: 万 is 10,000, so 150,000 is 十五万.
English groups big numbers by thousands. Chinese starts a new unit at 万. One 万 is 10,000. Ten 万 is 十万, or 100,000. One hundred 万 is 百万, or 1,000,000. One thousand 万 is 千万, or 10,000,000. So 150,000 is fifteen 万, written 十五万.
“零百千万亿，
可以医椅衣。” (Zero, hundred, thousand, ten thousand, hundred million — they can sound like 'doctor,' 'chair,' 'clothes.')
“零百千万亿，
可以医椅衣。” (Zero, hundred, thousand, ten thousand, hundred million — they can sound like 'doctor,' 'chair,' 'clothes.')
| Dimension | Natural | Avoid |
|---|---|---|
| 10,000 | 一万 | 十千 |
| 100,000 | 十万 | 一百千 |
| 1,000,000 | 一百万 | 十十万 |
| 150,000 | 十五万 | 一百五十千 |
| 10,000,000 | 一千万 | 十百万 |
Can you say 这个手机要万块?
No—standalone 10,000 is 一万; 万 alone sounds broken.
When 万 is the whole number, Chinese needs 一 in front. You say 一万块, 一万人, 一万次. But 万 can appear without 一 in fixed number chunks like 百万, 千万, 上万, 数万. Those chunks work because 万 is attached to another unit or phrase, not standing alone.
| Dimension | Natural | Avoid |
|---|---|---|
| 10,000 yuan | 一万块 | 万块 |
| 10,000 times | 一万次 | 万次 |
| over 10,000 | 上万 | 万以上 |
Does 一万二 mean 12,000 or 10,002?
一万二 means 12,000, not 10,002; the last unit is understood.
In prices and casual speech, Chinese often drops the final unit after 万, 千, or 百. So 一万二 is short for 一万二千, or 12,000. 一万五 means 15,000. If you mean 10,002, you must say 一万零二. The 零 marks the empty place.
| Dimension | Natural | Avoid |
|---|---|---|
| 12,000 | 一万二 / 一万二千 | 一万零二 |
| 10,002 | 一万零二 | 一万二 |
| 15,000 | 一万五 / 一万五千 | 一万零五 |
| 1,200 | 一千二 / 一千二百 | 一千零二 |
Featured in Story Deep Dive
Follow how this word unfolds across the narrative arc of this graded story.
This playful poem turns numbers into a rhythm of daily life. As you read, practice counting, days of the week, and common time words in a fun, memorable way.
- Scene #1
零百千 万 亿，可以医椅衣。
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