1、生日的英语：birthday，英 [?b??θde?] 美 [?b??rθde?]。
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.