聰明反被聰明誤 [ㄘㄨㄥ ㄇㄧㄥˊ ㄈㄢˇ ㄅㄟˋ ㄘㄨㄥ ㄇㄧㄥˊ ㄨˋ; cong1 ming2 fan3 bei4 cong1 ming2 wu4] a clever person may become the victim of his own ingenuity (idiom); cleverness may overreach itself too smart for one's own good ◄ ►