短语词组短语brush up against 碰及;轻轻触到;轻轻地敲;轻轻地碰及brush against the nap 逆向刷绒brush against a person 擦肩而过also brush against 轻拂brush against sb 's shoulder 擦某人的肩膀guard against error brush 集电刷 返回 brush against