cōng míng fǎn bèi cōng míng wù

ㄘㄨㄥㄇㄧㄥˊ ㄈㄢˇ ㄅㄟˋ ㄘㄨㄥㄇㄧㄥˊ ㄨˋ

Idiom

1(idiom) a clever person may become the victim of his own ingenuity; cleverness may overreach itself; too smart for one's own good