“Happy birthday to you"是祝你生日快乐，把“you”改成“me”就是“祝我生日快乐”！
祝你生日快乐！
I wish you a happy birthday.
祝你生日快乐！
Happy birthday to you!
祝你生日快乐。
Best wishes for a happy birthday.
我祝你生日快乐。
Let me wish you a happy birthday.
我祝你生日快乐。
I hope you have a happy birthday.
祝你生日快乐，天天快乐！
Congratulations and warmest wishes for your birthday and every day.
祝你生日快乐，终身幸福。
Best wish for you birthday may you lifelong prosperously.
艾伦，我谨祝你生日快乐！
I'd like to wish you a happy birthday,Ellen.
祝你生日快乐，给你我们所有的祝福！
Many happy returns of this special day.All our best wishes go to you on your birthday.
我们大家共祝你生日快乐，永远健康，前程似锦。
We all join wish you very happy birthday and many year health prosperity.