敲中背 qiāozhōngbèi to receive oral sex Definitions Defs Origin Strokes Stroke Words Sentences Sents 敲 qiāo verb to knock to hit, strike, or tap; to beat a drum; to rap on a door or surface中 zhòng verbparticle to hit hit (a target); be hit or struck by (a bullet, illness, poison, etc.); fall into (a trap); win (a prize); pass (an exam); qualify背 bèi noun back the back of a person or animal