Happy birthday
用英语表达生日快乐：
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!