play by ear

1. I could play by ear.
我能够凭听觉而不是识谱来演奏音乐。

来自《简明英汉词典》

2. No one could play by ear.
没有人能够凭听觉而不是识谱来演奏乐器。

来自《简明英汉词典》

3. I can play the piano by ear, but I regret now that I never learned to read music properly.
我能不看乐谱弹奏钢琴,不过现在我后悔没有真正学会识乐谱。

来自《简明英汉词典》

4. In dealing with that unpredictable man, you simply cannot follow a prearranged plan, you have to play it by ear.
和那个捉摸不定的人打交道,你简直无法按预定计划行事,只好随机应变。

来自《简明英汉词典》