like talking to a wall片語KK [laɪk ˋtɔkɪŋ tu ə wɔl] /laɪk ˈtɔkɪŋ tu ə wɔl/發音片語1對牛彈琴、白費口舌、雞同鴨講口語Explaining anything to him is like talking to a wall.跟他解釋任何事都像對牛彈琴。