Dictionary/井水不犯河水

井水不犯河水

jǐng shuǐ bù fàn hé shuǐ

ㄐㄧㄥˇ ㄕㄨㄟˇ ㄅㄨˋ ㄈㄢˋ ㄏㄜˊ ㄕㄨㄟˇ
Idiom
1(saying) everyone minds their own business