不打不相識 [ㄅㄨˋ ㄉㄚˇ ㄅㄨˋ ㄒㄧㄤ ㄕˊ; bu4 da3 bu4 xiang1 shi2] lit. don't fight, won't make friends (idiom); an exchange of blows may lead to friendship no discord, no concord ◄ ►