孜孜不倦 zī zī bù juàn

DEFINITIONS

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

CHARACTERS

孜 zī be as diligent as possible
孜 zī be as diligent as possible
不 bù
HSK 1
no, not; un-; negative prefix
倦 juàn
HSK 6
be tired of, weary