问题描述: He tried his best to quit smoking but he failed.这个句子对吗?为什么 1个回答 分类:英语 2014-11-20 问题解答: 我来补答 try one's best to do sth.尽某人最大的努力做某事quit doing sth.退出、不做某事 应该算是对的吧 展开全文阅读