突飛猛進 tū fēi měng jìn

DEFINITIONS

  1. to advance by leaps and bounds

CHARACTERS

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