not have the heart to do somethingCAN'Tto be unable to do something because it will make someone unhappy 不忍心做某事 I didn’t have the heart to tell her that her beautiful vase was broken. 我不忍心告诉她她那只漂亮的花瓶打碎了。
not have the heart to do something• I didn't have the heart to tell my daughter we couldn't keep the puppy.
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