不知利害

Traditional form:

不知利害

Pinyin (reading):

bùzhīlìhài

Definitions:

• see 不知好歹 (bùzhīhǎodǎi)

Characters:

• 不 - no, not, un-; negative prefix
• 知 - to know, to perceive, to comprehend
• 利 - gains, advantage, profit, merit
• 害 - to injure, to harm; to destroy, to kill

Traditional characters:

• 不 - no, not, un-; negative prefix
• 知 - to know, to perceive, to comprehend
• 利 - gains, advantage, profit, merit
• 害 - to injure, to harm; to destroy, to kill