生日快乐：happy birthday。
英 [ˈhæpi ˈbə:θdei] 美 [ˈhæpi ˈbɚθˌde]
其中happy是快乐的意思，birthday是生日。
birthday party生日聚会
birthday cake生日蛋糕
birthday card生日贺卡
扩展资料：
生日祝福语
1、wish my joyous, beautiful, enthusiastic, healthy, self-confident and energetic friend a happy birthday!祝我的快乐的、漂亮的、热情奔放的、健康的、自信的、充满活力的朋友生日快乐！
2、Hope your birthday's happy no matter what you do, because, there couldn't ever be a day too nice for you.祝愿您生日快乐，事事顺心祥和，因为没有一天比今天更值得庆贺。
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.我在火炉上把一块冰冻的蛋糕融解，在上面插了根蜡烛，点燃后，扯起嗓子唱起了“祝我生日快乐”。
4、Happy Birthday to you! Have a happy day, eat lots of cake and ice-cream, open many presents and cards. love ya!祝您生日快乐！痛快地玩一天，多吃些点心和冰淇淋，打开那些礼物和贺卡。宝贝！
5、Happy birthday to an attractive, intellectual, sophisticated and all-round splendid person.祝福一位美丽迷人,聪明大方,有教养又倍受赞叹的妙人儿,生日快乐!
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.祝愿你过一个曾经度过的最好的生日，在我祝你生日快乐时，也愿你天天欢喜!
7、Happy birthday, Jerry. This is a present for you.生日快乐，杰瑞，这是送你的礼物。
英文写法见下：Happy（生日） birthday（快乐）.
扩展资料：
happy 【读音音标】 英[ˈhæpi] 美[ˈhæpi]
adj.【释义】： 快乐的; 幸福的; 巧妙的;
【造句】Marina was a confident, happy child
【翻译】：玛丽娜是个自信、快乐的孩子。
birthday 【读音音标】 英[ˈbɜ:θdeɪ] 美[ˈbɜ:rθdeɪ]
n.【释义】; 生日; 诞辰; 成立纪念日;
【造句】：We must not forget your birthday.
【翻译】：我们一定不能忘了你的生日
参考资料：
本回答被网友采纳生日快乐的英文为：happy birthday
当我们在祝福他人生日时也可用以下的英文短句：
1、Wishing you a happy birthday! May the best and loving things be some of the joy your birthday brings.
祝你生日快乐！愿生日带给你的欢乐中蕴涵着一切美好！
2、A gift of love for your birthday, which is a warm wish from my heart. Happiness for your birthday and always.
送上一份生日礼物，它是我内心深处的是生日祝福，祝你生日快乐，岁岁平安！
3、My special wish may bring you health, luck and happiness each minute! Hope it really proves to be the nicest birthday you have spent.
给你我特别的祝福，愿它每分每秒都带给你健康、好运和幸福。希望这是你度过的最美好的生日！
4、A wish for your wonderful birthday that brings a world of bright and lovely things to remember each day through the year.
生日来临，带给你无数的快乐日子，一年中天天都会想起，生日的快乐、温馨。
5、May you enjoy to the fullest the joy of today. Wishing that your special day be a winner all the way!
愿你享尽今日之欢乐，祝你的生日百事顺心！
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