雷厲風行 léi lì fēng xíng

DEFINITIONS

  1. pass like thunder and move like the wind (idiom); swift and decisive reaction

CHARACTERS

雷 léi
HSK 5
thunder
厲 lì whetstone; grind, sharpen; whet
風 fēng wind; air; manners, atmosphere
行 xíng
HSK 3
go; walk; move, travel; circulate