漏网鱼

Traditional (Taiwan): 漏網魚

lòuwǎngyú ㄌㄡˋ ㄨㄤˇ ㄩˊ

    • one who escaped capture by luck
    • criminal who evaded arrest

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
fish that slipped through the net
Meaning
A person who escaped capture or disaster by luck, typically a criminal who evaded arrest.

Sources