A Note to Thank a Friend for Helping You with Mathematics

感谢朋友辅导数学的便条

May 11th Dear Li Mei,

5月11日，亲爱的李梅

I want to express my gratitude to you for your selfless help,

我想对你的无私帮助表示感谢，

without which I would not be so confident about my mathematics in the midterm examination.

没有你的帮助，我将对我期中数学考试失去信心。

Mathematics has always been a headache for me, but now I am quite confident that I will pass the exam.

数学一只是我头疼的问题，但是现在我对通过考试非常有信心。

Many thanks again for your time and patience.

感谢你的时间和耐心。

Yours sincerely,Tom

祝好，汤姆。