How common it is
快速 appears often in everyday Chinese, so it is worth practicing early and reviewing often.
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Pronunciation focus
Say kuàisù slowly first, then repeat it in a short phrase. Listen for the tone shape.
Usage note
快速表示速度很快。
kuài sù biǎo shì sù dù hěn kuài。
Fast means moving or happening quickly.
Context note
快速常出现在动作、交通和学习效率里。
kuài sù cháng chū xiàn zài dòng zuò 、 jiāo tōng hé xué xí xiào lǜ lǐ。
Fast often appears in actions, traffic, and learning efficiency.
5 examples
他跑得很快速。
tā pǎo dé hěn kuài sù。
He runs very fast.
快速前进。
kuài sù qián jìn。
Move forward quickly.
这条路很快速。
zhè tiáo lù hěn kuài sù。
This road is fast.
请快速完成。
qǐng kuài sù wán chéng。
Please finish quickly.
机器运行得很快速。
jī qì yùn xíng dé hěn kuài sù。
The machine runs very fast.
5 mini stories
他快速跑到门口。
tā kuài sù pǎo dào mén kǒu。
He ran quickly to the door.
老师说写字要认真，不一定要太快速。
lǎo shī shuō xiě zì yào rèn zhēn， bù yí dìng yào tài kuài sù。
The teacher said writing should be careful, not necessarily too fast.
快速收拾好书包，我们就出发。
kuài sù shōu shí hǎo shū bāo， wǒ men jiù chū fā。
After quickly tidying the school bag, we set off.
车子快速开过去，大家都停下来看。
chē zi kuài sù kāi guò qù， dà jiā dōu tíng xià lái kàn。
The car drove past quickly, and everyone stopped to look.
我想学会快速找出答案。
wǒ xiǎng xué huì kuài sù zhǎo chū dá àn。
I want to learn how to find the answer quickly.