N-6：not have the heart to do something 不忍心去做

A:What did you say when she told you the news?
A:当她告诉你这个消息时你说什么？

B:I clammed up. And finally, I asked her to chew the cud for such an important decision, I couldn't have the heart to disappoint her with a blunt refusal.
B：我没说话，最后我要她仔细考虑这个重要的决定，我不忍心直接拒绝，令她失望。

A:But I put my foot down and insisted on her forgetting that.
A：但我坚决反对并坚持要她忘了这件事。

B:How could you have the heart to do that? She needs warmth and help.
B：你怎么忍心这样做？她需要关怀和帮助。