一篇英语电子邮件

你来自中国合肥，14岁，中学生，你正在学英语，想用英语和外国人交谈，但你感戴难度很大，虽然掌握了很多英语单词，但英语表达并不流畅，请对方给予帮助。

I'm a middle school student come from Hefei, China. I'm 14 years old. I'm learning English, and want to talk with foreigners in English. But I feel it is very difficult. Though I learned many English words, my English expression is not fluent. Could you please do me a favor to help me improve my English expression? Thank you.