Boy, thou art indeed hard of heart, if this is thy brother.

孩子，如果这是你的哥哥，你可真是铁石心肠。

youdao

The card read, "I may be old, fat, and hard of hearing, but you were a wonderful lady to save my life."

卡片上写着：“我可能又老又胖，听力不佳，但您救了我的命，您真是一位了不起的女士。”

youdao

The old man is hard of hearing.

这位老人有点重听。

《新英汉大辞典》

"It didn't seem to be that hard of a decision. I like to give to others.

VOA: standard.2010.03.11

That's why many of them are thinking really very hard of how to foster entrepreneurship, how to encourage innovation.

这就是为什么大家都在思索,如何才能培养企业家精神，如何鼓励创新。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

And once you... when you're having that bad of a season, it's really hard to get everyone passionate about it,

所以一旦赛季取得很差的成绩，就很难保持球队的激情，

足球部队长的领导力 - SpeakingMax英语口语达人

She was hard of hearing in one ear, no doubt deafened by her own screaming.

NPR: Excerpt: 'The Teacher's Funeral'

Wendy Callaghan, a mum-of-two from Bedwas, is one of 500, 000 deaf or hard of hearing people in Wales.

BBC: Deaf failed by Welsh health boards under Equality Act

For the obtuse and hard of hearing, the Bank of Japan has put its unorthodox agenda squarely in the open.

ECONOMIST: Another false dawn? | The