賣人情

Simplified: 卖人情

màirénqíng ㄇㄞˋ ㄖㄣˊ ㄑㄧㄥˊ

    • to do someone a small favour so that they feel indebted
    • to curry favour

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
sell a favour
Meaning
To do someone a small favour deliberately so they feel indebted. Mildly critical; like 'curry favour'.

Sources