爸爸生日快乐用英文怎么表达？用英文怎么写

I hope you have a very happy birthday, dad.

愿您有一个很愉快的生日，爸爸。

The cake had 'Happy Birthday' piped on it.

蛋糕上裱了“生日快乐”的'字样。

I wished her a happy birthday.

我祝她生日快乐。

We all crowded into her office to sing 'Happy Birthday'.

我们全都涌进她的办公室，唱“祝你生日快乐”。

He piped "happy birthday" on the cake.

他在蛋糕上镶上了“生日快乐”的字样。