1、生日快乐英文：happy birthday。读音：英[ˈhæpi ˈbɜːθdeɪ]美[ˈhæpi ˈbɜːrθdeɪ]。
2、例句：
（1）All the best on your special day! 祝你在这特殊的日子里一切都好!
（2）Have a great birthday! 祝你生日快乐!
（3）I wish you a happier birthday than anyone else has wished you! 我祝你的生日比别人给你的生日更快乐!
（4）May you have a fantastic day and many more to come! 愿你有一个美妙的一天，还有更多的未来!