问题描述: When should you use someone's first name?如实回答 用英语回答,并且翻译 1个回答 分类:英语 2014-12-09 问题解答: 我来补答 To show your respesct to someone or talk to someone who is not so familiar with.为了表达你对某人的尊敬或和一个并不熟悉的人说话. 展开全文阅读