Meaning of 快速
Definitions from CC-CEDICT.
- fast; high-speed; rapid
How to use 快速
快速 is a bit more formal than plain 快 and often comes before a noun or verb, sometimes with 地 (de). It is common in news and written Chinese for fast growth, fast service, and similar ideas. Example: 中国经济快速发展。(Zhōngguó jīngjì kuàisù fāzhǎn.) China's economy is developing rapidly.
快速 (kuàisù) joins two words for speed: 快 (kuài) means fast, and 速 (sù) means speed, as in 速度 (sùdù). Picture something fast moving at high speed, and you get rapid.
Common mistake: Learners often use 快速 in casual speech where 快 sounds natural, as in 他跑得很快 (tā pǎo de hěn kuài), not 他跑得很快速. Also keep the fourth tone on both syllables: kuàisù, not kuǎisū.
快速 in example sentences
Real sentences from the Tatoeba project, with pinyin and English.
Stroke order for each character
Open a character for its meaning, components and more words.
快 kuài · rapid · 7 strokes
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速 sù · prompt · 10 strokes
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Related words
Words that share a character with 快速.
| 快乐 | kuàilè | happy; joyful |
| 快要 | kuàiyào | nearly at the point of (doing sth); about to (do sth) |
| 快点儿 | kuài diǎnr | erhua variant of 快點|快点[kuai4 dian3] |
| 凉快 | liángkuai | pleasantly cool (weather etc); to cool oneself; to cool off |
| 快餐 | kuàicān | fast food; snack |
| 赶快 | gǎnkuài | quickly; at once |
| 速度 | sùdù | speed; rate; velocity; (music) tempo |
| 高速公路 | gāosù gōnglù | expressway; highway; freeway |
| 高速 | gāosù | high speed; expressway (abbr. for 高速公路[gao1 su4 gong1 lu4]) |
| 加快 | jiākuài | to accelerate; to speed up; to hasten |
| 尽快 | jǐnkuài | as quickly as possible; as soon as possible |
| 迅速 | xùnsù | rapid; speedy |
Questions about 快速
What does 快速 mean?
快速 (kuàisù) means "fast; high-speed; rapid" and is used as a adjective.
How do you write 快速?
快速 is made of 2 characters: 快 (7 strokes), 速 (10 strokes). That is 17 strokes in total.
Is 快速 an HSK word?
Yes. 快速 is on the HSK 3 vocabulary list of the HSK 3.0 standard.
What is the difference between 快速 and 迅速?
Both mean rapid. 迅速 (xùnsù) is more formal and stresses suddenness or promptness, while 快速 simply describes high speed, as in 快速通道 (kuàisù tōngdào) fast lane.
Can 快速 be used directly before a noun?
Yes. It often works like an attribute in set phrases such as 快速列车 (kuàisù lièchē) express train and 快速增长 (kuàisù zēngzhǎng) rapid growth.