"Write a lot of articles" 的英文表达是 "write many articles"。
来源：这是一个非常基本的英语表达，是由 "write"（写）和 "many"（许多）两个单词构成的。
例句：
"I want to write many articles on different topics." (我想写很多关于不同主题的文章。)
"She writes many articles for the local newspaper." (她为当地报纸写很多文章。)
"He is a propfic writer and writes many articles every month." (他是一个多产的作家，每个月写很多文章。)