常流水

chángliúshuǐ ㄔㄤˊ ㄌㄧㄡˊ ㄕㄨㄟˇ

    • something constantly moving and being renewed, such as staff or stock

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
constantly flowing water
Meaning
Describes something that keeps moving and being renewed, such as staff or stock that is constantly replaced. Neutral.

Sources