孜孜不倦 zī zī bù juàn

diligent and tireless; work hard nonstop

Word data

HSK Not in HSK
Frequency 34237th word

Definitions

  1. 1. lit. diligent and never slacking (idiom); continuous concentrated effort
  2. 2. assiduous (in study)
  3. 3. to concentrate

Characters

Character Meaning
industrious; hard-working
industrious; hard-working
not; no; (negative prefix)
tired; old variant of juàn