Taivo A Taiwan Mandarin dictionary

不知利害

bùzhīlìhài

ㄅㄨˋ ㄓ ㄌㄧˋ ㄏㄞˋ

  1. 1see 不知好歹[bu4 zhi1 hao3 dai3]

Keep 不知利害 and it comes back until you know it.

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