生日快乐永远快乐用英语怎么说

"Happy birthday and always be happy" 的英文表达是 "Happy birthday and may you always be happy." 。

"Happy birthday" 是一个常见的祝福语，表示祝某人生日快乐。而 "always be happy" 则是额外的祝福语，表示希望对方永远快乐。

例句：

"Happy birthday and may you always be happy." (生日快乐，愿你永远快乐。)
"Wishing you a happy birthday and a lifetime of happiness." (祝你生日快乐，祝你一生幸福。)
"Happy birthday, may all your dreams come true and may you always be surrounded by love and joy." (生日快乐，愿你所有的梦想都能实现，愿你永远被爱和快乐包围。)