擦背 cābèi to scrub one's back Origin Definitions Defs Strokes Stroke Words Sentences Sents 挨肩擦背 āijiāncābèi crowded together (idiom) shoulder to shoulder and back to back; describes a place being very crowded or packed with people捱肩擦背 áijiāncābèi crowded together Shoulder to shoulder and back to back; describes a place that is extremely crowded with people