John's father is a man with a hard heart.

约翰的父亲是个铁石心肠的人。

youdao

She has really good looks but a hard heart.

她确实长得漂亮，可是却有一颗残酷的心。

youdao

She has really good looks but a hard heart.

他喜欢故作坚强，但是他内心真的很脆弱。

youdao

In your pain and sadness, you may decide that the person you loved is hard-hearted, and in fact,has a heart of stone.

VOA: special.2010.07.18

In his room at the apartment, Mr. Sen's possessions offered a snapshot of a man described as gentle and hard-working: heart medication, a large box of fudge brownies and several books on learning HTML and business.

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One might expect that at the ripe old age of 100 the company would be creaking along with brittle bones, weak knees, a bad heart, and finding it hard to get up in the morning.

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It sounds impressive, but in fact, a relatively modest increase in a common ailment such as heart attacks is hard to detect clearly.

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