She has a kind heart.

她有一颗善良的心。

《牛津词典》

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

We pray for you because we have a kind heart.

我们为你们祈祷，因为我们有一颗善良的心。

youdao

Yet,even though you may be angry, I would know that at heart, you are a kind person.

VOA: special.2010.07.11

The longing heart accumulates desires that become in time a kind of volatile waste, which can't be contained.

渴望的心聚集欲望,假以时日便成了,会挥发不能抑制的废物。

耶鲁公开课 - 现代诗歌课程节选

But a framework in which to understand it is that pro-slavery ideology was, at its heart, a kind of deeply conservative, organic worldview.

支撑奴隶制度思想体系的框架,若要去理解这副框架的话,其核心,是某种极度传统,接近自然的世界观

耶鲁公开课 - 美国内战与重建课程节选

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.

BBC: Q&A: Euro cash in the UK

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

ECONOMIST: Germany