吃禁果

chījìnguǒ ㄔ ㄐㄧㄣˋ ㄍㄨㄛˇ

    • to have sex before marriage
    • to do something forbidden

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

May offend: sexist or sexual

Literally
eat the forbidden fruit
Meaning
Either to have sex before marriage, or to do something forbidden. From the Adam and Eve story.

Sources