You have to be deaf to understand.

你必须聋了才能明白。

youdao

It's wrong of you to be deaf to my advice.

你不听我的忠告是错误的。

youdao

Clara had been studying ASL for the past year to help blind and deaf people and she knew she'd be able to finger spell into the man's palm.

克拉拉在过去的一年里一直在学习美国手语，以帮助盲人和聋人，她知道她可以在这个人的手掌上拼写。

youdao

Alexander Graham Bell believed one day machines would be invented to help deaf people hear and speak.

VOA: special.2010.05.14

To ensure good communication with the competitors, officials and referees must also be deaf.

VOA: standard.2009.09.10

Then, there were so many warning bells ringing you would have had to be deaf not to hear them.

FORBES: Wealth Blossoms Not By Beating The Market But Joining It

However, there also were those who appeared to be tone deaf to the issue, or had already taken a great deal of money just as the wheels were about to fall off of the wagon.

FORBES: Does Your Culture Value a Fair Deal?

But 4% of the moths they studied lacked such ears, and are thus reckoned to be deaf.

ECONOMIST: Listening for trouble