1·I don't know what they'll want when they arrive—we'll have to play it by ear.
我不知道他们到达时需要什么—我们只有见机行事了。
—— 《牛津词典》
2·Neil sat at the piano and began playing, by ear, the music he'd heard his older sister practising.
尼尔坐在钢琴边，凭着记忆开始演奏曾听他姐姐练习过的曲子。
—— 《柯林斯英汉双解大词典》
3·Play it by ear.
随机应变。
4·Let's play it by ear, okay?
玩耳朵？
5·I want to play piano by ear.
因为我想用耳朵弹琴。
6·No problem. I'll play it by ear.
没问题。我会即兴发挥的。
7·No one could play by ear.
我能够凭听觉而不是识谱来演奏音乐。
8·Let's play it by ear.
让我们凭听觉记忆演奏。
9·Have you ever tried to tune a guitar by ear?
你听过吉它调音吗？
10·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。