吃老本

chīlǎoběn ㄔ ㄌㄠˇ ㄅㄣˇ

    • to live off past achievements
    • to rest on one's laurels

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
eat the old capital
Meaning
To live off past achievements or experience without trying to improve. Critical. Like "rest on one's laurels."

Sources