我不<em>忍心</em>拒绝。
I hadn't the heart to refuse.
我不<em>忍心</em>责备为饥儿行窃的女人。
I cannot find it in myself to condemn a mother who steals for a hungry child.
这个政治家发现饥饿的孩子们可怜的哭声让人不<em>忍心</em>听下去。
The politician found the piteous cries of the starving children unbearable.