我不忍心蹬掉他再觅新欢。I can't bring myself to ditch him and start again.我们一直都知道，但却不忍心告诉她。We knew all along but didn'thave the heart to tell her.我不忍心就这事和他对质。I could not bring myself to confront him about it....

“忍心”的英语可以翻译为：have the heart to，be hardhearted enough to，pitiless，hardhearted，find it in one's heart to do ...

“忍心”的拼音为：rěn xīn...