生日快樂：happy birthday。
英 [?h?pi ?b?:θdei] 美 [?h?pi ?b?θ?de]
其中happy是快樂的意思，birthday是生日。
birthday party生日聚會
birthday cake生日蛋糕
birthday card生日賀卡
擴展資料：
生日祝福語
1、wish my joyous, beautiful, enthusiastic, healthy, self-confident and energetic friend a happy birthday!祝我的快樂的、漂亮的、熱情奔放的、健康的、自信的、充滿活力的朋友生日快樂！
2、Hope your birthday's happy no matter what you do, because, there couldn't ever be a day too nice for you.祝願您生日快樂，事事順心祥和，因為沒有壹天比今天更值得慶賀。
3、I thawed a frozen cake over my fire, placed a candle on the top, lit it and sang “happy birthday to me “ at the top of my voice.我在火爐上把壹塊冰凍的蛋糕融解，在上面插了根蠟燭，點燃後，扯起嗓子唱起了“祝我生日快樂”。
4、Happy Birthday to you! Have a happy day, eat lots of cake and ice-cream, open many presents and cards. love ya!祝您生日快樂！痛快地玩壹天，多吃些點心和冰淇淋，打開那些禮物和賀卡。寶貝！
5、Happy birthday to an attractive, intellectual, sophisticated and all-round splendid person.祝福壹位美麗迷人,聰明大方,有教養又倍受贊嘆的妙人兒,生日快樂!
6、Wishing you a birthday that's among your very best, and when you're wished a happy day, that goes for all the rest.祝願妳過壹個曾經度過的最好的生日，在我祝妳生日快樂時，也願妳天天歡喜!
7、Happy birthday, Jerry. This is a present for you.生日快樂，傑瑞，這是送妳的禮物。