为什么我加入这个团体

因为我的英语水平太差了，想提高一下自己的英语，以便在看英文电影的时候不用看中文字幕，期待大家的帮助，谢谢！

Oh, thank you.__You're a warm-hearted friends.the title

Your translation should be something like this... :)

"Why I joined this group?

This is because my English is so poor.  I would like to improve it so when I see some American what English movies I have don't have to turn to subtitles. I am waiting for your help. Thanks. to understand what they said,I don't want the situation is like this,so I need to improve my English levels to exchange it.I hope you can help me and I am very glad that you do that,hehehhe,best wishes. [All these are not in your original]

为什么我加入这个团体

因为我的英语水平太差了，想提高一下自己的英语，以便在看英文电影的时候不用看中文字幕，期待大家的帮助，谢谢！

Now translate this into English as your first lesson.  Send me the link if you wanted me to correct it :)

現在翻譯成英文. 這是你第一的英文功課.如果要我幫你修改,請寄文章的連接給我.這样我不会忽略. 同時可以正糾我的中文 :)