She has a kind heart.

她有一颗善良的心。

《牛津词典》

Katy's kind heart helped her get better so quickly.

凯蒂善良的心让她很快就好起来了。

youdao

The depth of your sorrow made me see that you have a kind heart.

你如此悲伤，让我觉得你心地善良。

youdao

In the past, The Grafton was not a locale anyone with a kind heart would recommend.

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And if you have a kind heart, you can always give your old eurozone money to good causes.

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Behind a rough, often pompous, exterior, say his friends, beats a kind heart.

ECONOMIST: Germany