If someone has a tin ear, they are not able to appreciate (= to enjoy and make good judgments about) music or the way that words sound.

We are very different. He is a wonderful musician and I have a tin ear.

She tells a good story, but has a tin ear for language.

Many television directors have tin ears and use music unsympathetically in their shows, but luckily the ones I've worked with have been good. 许多电视导演的耳朵都没有鉴赏力，在他们的节目中胡乱加音乐，但幸运的是，与我合作过的人都很懂音乐。

If someone has a tin ear, they are not good at understanding people's feelings as expressed in what they are saying or doing.

Some London-based journalists and politicians are developing a tin ear for the mood of the general public. 一些驻伦敦的记者和政界人士已经对公众情绪感觉迟钝了。