用英文写大学退学申请书，帮我用英文翻译一下这篇文章

用英文写大学退学申请书，帮我用英文翻译一下这篇文章 beloved teacher:
I was poor, basic english is great pressure, the class could not understand the exam, did not meet the demands of the division. in thailand to learn me, i can't keep up with others, i want to put out in other respects. maybe i can have better development, i didn't give up, i want to choose to study chinese for me or to society. i read english is not for me, i really couldn't finish school, i have to decide, so put out the application.
At the school yard. the leadership of the approved