舔碗邊

Simplified: 舔碗边

tiǎnwǎnbiān ㄊㄧㄢˇ ㄨㄢˇ ㄅㄧㄢ

    • to live off others' leftovers
    • to scrape small gains by depending on someone

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
lick the rim of the bowl
Meaning
To live off what others leave, getting small gains by depending on someone. Used contemptuously.

Sources