We knew all along but didn't have the heart to tell her.

我们一直都知道，但是不忍心告诉她。

《柯林斯英汉双解大词典》

Under the skin, a ballerina might have the heart of a boxer.

在外表之下，一名芭蕾舞女演员可能有一颗拳击手的心。

youdao

I didn't have the heart, though.

但是我没这个心情。

youdao

The hopeful women were also thirty percent less likely to have died from heart disease after the eight years.

VOA: special.2009.04.15

It might not have been one of the parts, one of the fundamental parts from which I'm built, like the heart.

永存的甚至可能不是,那些构成我身体的基础部件,比如我的心脏

耶鲁公开课 - 死亡课程节选

The muscles of the heart have to give blood themselves so they have blood vessels inside.

心肌自身也需要血液,所以在这些肌肉内部也有血管

耶鲁公开课 - 生物医学工程探索课程节选

The deeply disgruntled workforce did not have the heart to stage them.

BBC: Trotting in Rome: Farewell to a sporting way of life

You have to have the heart and will to do the job.

WSJ: New York Yankees: Searching for Life Amid the Fossils

Although this workshop represents a major step forward in the dialogue about open science, the flyers at home were out and I did not have the heart to cancel on the librarians.

FORBES: A Plea For Open Science In Medicine