不知利害 bù zhī lì hài 🔊 see 不知好歹[bu4 zhi1 hao3 dai3] + Keep this word Meanings bù zhī lì hài see 不知好歹[bu4 zhi1 hao3 dai3] Its characters 不bùnot; noHSK 1知zhīto know利lìsharp害hàito do harm toHSK 6