生日快乐英文:happy birthday。

1、祝您生日快乐！
Happy birthday to you!

2、祝你生日快乐!
Have a great birthday!

3、我祝你的生日比别人给你的生日更快乐!
I wish you a happier birthday than anyone else has wished you!

4、生日快乐，亲爱的。
Happy birthday, sweetheart.

5、祝您生日快乐，我最好的朋友和同学！
Happy Birthday to you, my best friend and classmate!

6、让我第一个祝你生日快乐吧。
Let me be the first to wish you a happy birthday.

扩展资料：

birthday party生日聚会

birthday cake生日蛋糕

birthday card生日贺卡