by ear

Hearing can be affected by ear wax blocking the ear canal.

耳垢堵塞耳道可能会影响听力。

I could play by ear.

我能够凭听觉而不是识谱来演奏音乐.

She could play by ear prettily.

她不看乐谱,光凭听觉记忆就能演奏得很好.

She plays the piano entirely by ear.

他演奏钢琴完全凭听觉记忆,不用乐谱.

Just play it by ear.

只要随机应变就是了.

I haven't decided what to say when he comes; I'll play it by ear.

他来时我不知道该说什么,到时候随机应变吧.

I'll just play it by ear.

我到时随机应变.

Signora Pasini left early and I played a piece by ear.

西罗拉～芙罗尼奥走得比较早所以我自己弹了一会儿.

She can play the most difficult piano music by ear.

她能不看乐谱,光凭听觉记忆弹奏最难的钢琴曲.

In this game you have to play it by ear sometimes.

这个游戏有时候需要靠你的临场发挥.

I learned how to tune a guitar by ear.

我学会了如何靠声音调试吉他.

Joe knows many songs well, and can play them by ear.

乔会许多歌曲, 就是不看乐谱也能演奏它们.

It is a complex situation – you'd better play it by ear.

情况复杂,你就见机行事吧.

Facing his enemy, he had to play it by ear.

面队敌人, 他只有随机应变了.

He is bind, but he can play many beautiful songs by ear.

他是个盲人, 但他能凭记忆演奏许多动听的歌曲.