快 (kuài) - fast, quick, rapid & swift

快Tone 4

kuài ｜ 7 strokes ｜ radical: 忄

俊梁

快 · kuài

fast, quick, rapid;

swift;

soon;

pleased, happy;

sharp (of blades);

straightforward, frank

fast, quick, rapidswiftsoon

Usage highlights

fasthappyspeedexpress deliveryfestivalsharp knife

Synonyms

  • 速— speed, rapid
  • 迅— swift, rapid
  • 乐— happy, joyful

Antonyms

  • 慢— slow
  • 悲— sad, sorrowful
  • 钝— blunt, dull

Usage & contexts

Examples

  • The car is very fast (很快).
  • I am very happy (很快乐).
  • Please speak quickly (请快点说).
  • This knife is very sharp (这把刀很快).

Collocations

  • fast(快)
  • happy(快乐)
  • speed(快速)
  • express delivery(快递)
  • festival(快乐)
  • sharp knife(快刀)

Idioms

  • Quick as lightning(快如闪电)
  • Happy to help(乐于助人)
  • Speedy decision(快刀斩乱麻)
  • Heart-stirring(大快人心)
  • Quick-tempered(性急口快)

Cultural background

FAQ
  • Originally depicted a joyful heart, later extended to mean speed and sharpness.
  • In Chinese culture, being 'fast' is often associated with efficiency and intelligence.
  • The character appears in many positive expressions related to happiness and satisfaction.

FAQ