play by ear片语动词KK [ple baɪ ir] /pleɪ baɪ iɹ/发音片语动词1见机行事、随机应变、临场决定可拆开We don't have a fixed schedule, so let's just play it by ear.我们没有固定行程,就见机行事吧。2凭听觉演奏、不看乐谱演奏可拆开She never learned to read music but plays the piano by ear.她从没学过看乐谱,却能凭听觉弹钢琴。用这个字练口说→