When people meet someone on their birthday sometimes even at work, they say" Happy birthday! " or" Many happy returns of the day! "

甚至有时工作的时候碰到过生日的人，他们也会说：“生日快乐！”，或“恭祝快乐无限多！”

Happy birthday and many happy returns of the day, old man.

老兄，祝你生日快乐，年年有今日，岁岁有今朝。

She wanted to say " Many happy returns of the day! " on his birthday.

" 祝你长寿" 。

Don't worry about the traffic now! Happy birthday, Robert, and many happy returns of the day!

现在别担心交通问题了！生日快乐，罗伯特，长命百岁！