突飞猛进 tū fēi měng jìn

DEFINITIONS

  1. to advance by leaps and bounds

CHARACTERS

突 tū
HSK 3
suddenly, abruptly, unexpectedly
飞 fēi
HSK 1
fly; go quickly; dart; high
猛 měng
HSK 6
violent, savage, cruel; bold
进 jìn
HSK 2
advance, make progress, enter