我有一个好朋友，他叫陈小高。他比我大一岁。他长得很高，是我们班最高的一个。翻译出来

I have a good friend by the name of Chen Xiaogao. He is one year older than me and very tall in stature. In fact, he is the tallest in our class.

I have a good friend,His name is Chen Xiaogao. He is one year older than me.
He is very tall and he is the tallest in our class.

I have a best friend,his name is Chen Xiaogao. He is old one year than me, he is tall is our classroom 's taller person。
靠，居然没分，那就快把我的采纳成答案吧。不采纳的话，今晚某某爬你窗户的，这可是我费了九牛二虎之力，自己一个字一个字打下来的。