露水官

lùshuǐguān ㄌㄨˋ ㄕㄨㄟˇ ㄍㄨㄢ

    • official who holds a post only briefly
    • short-lived official

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
dew official
Meaning
An official who holds a post only briefly, like dew that vanishes in the morning. Slightly mocking.

Sources