1、生日的英语：birthday，英 [ˈbɜːθdeɪ] 美 [ˈbɜːrθdeɪ]。

2、蛋糕上裱了“生日快乐”的字样。The cake had Happy Birthday piped on it.

3、要是他忘了你的生日，那可太差劲了。Its a poor show if he forgets your birthday.