靈機一動

Simplified: 灵机一动

On the HSK 7-9 vocabulary list, at CEFR level C2.

língdòng ㄌㄧㄥˊ ㄐㄧ ㄧ ㄉㄨㄥˋ

    • a bright idea suddenly occurs (idiom) to hit upon an inspiration
    • to be struck by a brainwave

Character by character

Sources