Dear Peter,
I am wtiting this later to thank you fou your help during the summer camp.That"s very nice of you .In these 20 days,i learned a lot about American culture,besides i also improved my improve oral English.Now i’m desirous to express myself in native English.Itcan't be seperated with your assistance and support.Again, I would like to express my warm thanks to you.Since you will be back to america ,I am looking forward to your visit to China in the future when I will be able to pay back some of the hospitality I received during my memorable stay in yur beautiful country.
Faithfully yours,
Hua LI
自己写吧,不要太懒惰了,你这个不是要单纯的翻译,还要思考,你要别人为你思考是不是太懒惰了啊?