I'm very angry with my little brother because he always let my words go in one ear and out the other.

我对我弟弟非常生气，因为他对我的话总是左耳进右耳出。

youdao

Everything I tell them just goes in one ear and out the other.

我无论对他们说什么都只被当作耳边风。

《牛津词典》

It turns out that the jaw is primarily responsible for capturing and transferring returning sound waves to the dolphin's inner ear.

事实证明，海豚的下颚主要负责捕捉返回的声波并将它传输到内耳。

youdao

Earwax is normally expelled; it falls out of the ear or gets washed away.

VOA: special.2010.03.31

As far as I know, he doesn't publish he's not in the newspapers, but he's gotten the ear of the Treasury Secretary They spent many weekends together figuring out what should be done about the system and they wrote up a proposal.

据我所知，他从没出过书,也没有上过新闻，但他却有当财政部长的潜质,他花了数周的时间来搞清楚,对于现在的美国金融体系,该怎么改革然后书写成书。

耶鲁公开课 - 金融市场课程节选

It's not just the tinny noise that leaks out of the puny ear buds but the barrier the device erects between people.

BBC: Has the iPod made us anti-social?

The girl said she then got the impression that an altercation was taking place and that someone had pushed Martin, because the headset fell out of his ear, and the phone shut off.

CNN: Protesters declare 'I am Trayvon Martin,' but who was he?

The Scream sends out noise at frequencies that affect the inner ear, creating dizziness and nausea.

NPR: Focused Sound 'Laser' for Crowd Control