河水不犯井水

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

river / CL:條|条[tiao2],道[dao4]

river water

surname Shui

water / river / liquid / beverage / additional charges or income / (of clothes) classifier for number of washes

no; not so / (bound form) not; un-

to violate / to offend / to assault / criminal / crime / to make a mistake / recurrence (of mistake or sth bad)

a well / CL:口[kou3] / neat / orderly