写一封祝朋友生日快乐的英文信.

Beloved（Dear) 某人:
August 21 is your birthday ,shifts to an earlier date Happy Birthday to you in here.
I know you are not expert in dancing ,not also being expert in singing in fact,but your effort we watch this already makes us very affected.My essential points happiness is to be looking at your happiness,therefore you definitely should be happy.
某个人