这句话用英文怎么说呀

Today is sb's birthday. Happy birthday to him.

今天是某人生日，在此祝他生日快乐，这句话用英文怎么说呀？？？
Today is the birthday person, wish him a happy birthday, this sentence in English how to say it? ? ?

Today is one's birthday,I wish him happy birthday!

Today is sb's birthday. Happy birthday to him

其实很简单：
TODAY IS ONE’SBIRTHDAY，NOW HAPPY BIRTHDAY TO ONE！（ONE代表某人）

today is birthday of sb . now i congratulate him . happy birthday to him