河水不犯井水

héshuǐbùfànjǐngshuǐ
  1. lit. river water does not interfere with well water (idiom); Do not interfere with one another.
  2. Mind your own business.

CEDICT

alternative form of 井水不犯河水 (jǐngshuǐ bùfàn héshuǐ, “two things keeping to themselves”)

Wiktionary

河水和井水各不相干。比喻界限分明，互不干犯。如：「我做我的，你做你的，咱们彼此河水不犯井水！」也作「井水不犯河水」。

重編國語辭典

井水不犯河水(jǐngshuǐbùfànhéshuǐ)的另一种写法

維基詞典

Entry Composition

1 河水 héshuǐ river water
2 不 bù
  1. no; not so
  2. (bound form) not; un-
3 犯 fàn
  1. to violate
  2. to offend
  3. to assault
  4. criminal
  5. crime
  6. to make a mistake
  7. recurrence (of mistake or sth bad)
4 井水 jǐngshuǐ wellwater

Related entries

少管闲事 shǎoguǎnxiánshì
  1. Mind your own business!
  2. Don't interfere!
关你屁事 guānnǐpìshì
  1. (coll.) None of your goddamn business!
  2. Mind your own business!