肥水不流外人田

lit. don't let one's own fertile water flow into others' field / fig. keep the goodies within the family (proverb)

fat / fertile / loose-fitting or large / to fertilize / to become rich by illegal means / fertilizer / manure

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 flow / to disseminate / to circulate or spread / to move or drift / to degenerate / to banish or send into exile / stream of water or sth resembling one / class, rate or grade

outside / in addition / foreign / external

outsider / foreigner / stranger

person; people / CL:個|个[ge4],位[wei4]

field / farm / CL:片[pian4]