happybirthday翻译成中文是祝你生日快乐。例句：He was greeted with a rousing chorus of Happy Birthday. 迎接他的是大家齐唱《祝你生日快乐》，令他非常感动。Happy birthday， sweetheart. 生日快乐，亲爱的。Please join me in wishing him happy birthday!让我们一起祝他生日快乐吧！She said thank you and wished her friend happy birthday.她只是说谢谢，并祝她的朋友生日快乐。
