快
fast; quick; sharp; happy; quick-witted; constable; surname
Meanings
10 senses · 47 examplesadjective
fast; quick; high-speed
Used to describe speed, efficiency, or progress, opposite of 慢.
This high-speed rail train runs very fast.
He runs much faster than me.
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This factory's production efficiency is both fast and good.
He has made rapid progress in Chinese over the past six months.
I need an express bus to go to Shanghai.
noun
speed; rate of speed
Used to ask or talk about how fast something moves or operates.
How fast can this motorcycle go on the highway?
Do you think the loading speed of this game is fast or not?
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The speed of this bicycle is adjusted by gears.
We can check the car's speed through the dashboard.
In swimming competitions, the difference in speed is only marginal.
adverb
hurry up; quickly
informalUsed to urge someone to act quickly in urgent or immediate situations.
Hurry over to help, there's a fire here!
Quickly take your umbrella, it's raining outside.
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Class is about to start, let's run quickly!
Hurry take him to the hospital, he's passed out!
Quickly hand in your homework to the teacher, don't be late.
adverb
about to; will soon
Used to describe an event that will happen imminently.
Wait a little longer, he's about to come back.
He has been working in education for nearly forty years.
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It's almost dark, we should go home.
This movie is about to end.
Winter is almost here, we need to prepare thick clothes.
adjective
quick-witted; sharp; responsive
Used to describe a person's mind, eyes, or hands reacting quickly.
He is quick-witted and always solves difficult problems quickly.
That firefighter was quick-eyed and quick-handed, and rescued the trapped child in time.
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Her reactions are fast, and she can always keep up with the class pace.
This game requires quick hands and eyes to get a high score.
The veteran teacher has rich teaching experience and quick reactions.
adjective
sharp (of blades)
Specifically describes cutting tools that have a thin, sharp edge, opposite of 钝.
This kitchen knife is not sharp anymore, go sharpen it.
This pair of scissors is very sharp and cuts things quickly.
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The axe is not sharp anymore and can't cut trees.
Please sharpen my pencil to be a bit sharper.
This fruit knife is too sharp, be careful not to cut your hand.
adjective
frank; straightforward; candid
Used to describe a person's personality or way of speaking that is direct and unreserved.
He is a straightforward person who speaks his mind directly.
The boss was straightforward and directly rejected my proposal.
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She is straightforward and never beats around the bush.
This straightforward personality is very popular with people.
He straightforwardly pointed out the problems in the project.
adjective
happy; pleased; joyful
Used to describe a feeling of pleasure, satisfaction, or excitement.
At the moment he received the admission notice, he felt very happy.
Everyone clapped and cheered to celebrate the team's championship.
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Seeing the bad guy punished is really satisfying to the public.
Getting together with old friends makes me very happy.
This trip brought me a lot of pleasure.
noun
constable; police runner (old)
archaicAn archaic term for a police officer or runner whose job was to catch criminals, used only in historical contexts.
Ancient constables were responsible for catching criminals.
The mounted runners in this historical drama delivered official documents and captured fugitives.
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The Qing Dynasty had strict regulations on the constable system.
His grandfather used to be an old constable.
Ancient mounted runners needed excellent riding skills.
proper noun
surname Kuài
Used as a family name, capitalized when used as a surname.
Mr. Kuai is a new colleague in our company.
The Kuai surname is a relatively rare family name in China.