不知利害 bù zhī lì hài

DEFINITIONS

  1. see 不知好歹[bu4 zhi1 hao3 dai3]

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
知 zhī
HSK 2
know, perceive, comprehend
利 lì
HSK 4
gains, advantage, profit, merit
害 hài
HSK 3
injure, harm; destroy, kill