背后 bèihòu HSK3 behind Origin Definitions Defs Strokes Stroke Words Sentences Sents bèihòu behind 背 bèi noun back the back of a person or animal后 後 hòu locativenoun behind (bound form) back; rear; behind; in the direction of one's backbèihòu behind someone's back 背 bèi locativeadverb behind someone's back to do something in secret; to hide something from others后 後 hòu locativenoun behind (bound form) back; rear; behind; in the direction of one's back