近年来学习汉语的留学生也越来越多,怎样让他们理解并正确运用汉语是很必要的。“了”字的运用,对于讲汉语作为第二语言学习的人来说,就存在很多问题。本文从了字的语法含义入手,分析各种情况下“了”字的正确运用。再次强调“精讲多练”的教学方法,让留学生在反复的时间练习中由理解层面提升到运用层面上来。 In recent years, there have been more and more international students studying Chinese. How to make them understand and correctly use Chinese is necessary. The use of the word “a” has many problems for those who speak Chinese as a second language. This article starts with the grammatical meaning of words and analyzes the correct use of the “” characters under various circumstances. Emphasize again “emphasize practice more ” teaching methods, so that students in the practice of repeated time from the understanding level to enhance the level of use.