turn one's back on 汉语意思： 背弃，抛弃 对……置之不理，不再关心 拒绝帮助或支持 例句： He turned his back on his family when he became famous. 他成名后就抛弃了自己的家人。 You can't just turn your back on your responsibilities. 你不能对自己的责任置之不理。