(1) I rejoice with you and wish you a long and happy meaningful life.

我跟你一起高兴，祝你健康长寿，生活充满诗情画意。

(2) You are 1. That’s something to be proud of.

你1岁了，这真是一件值得骄傲的事。

(3) Happy birthday, sweetheart.

亲爱的，生日快乐。

(4) Many happy returns of the day!

生日快乐!

(5) Smile, it is your birthday!

笑一下，今天是你的生日。

(6) Happy birthday to a marvelous friend.

祝一个了不起的朋友生日快乐!

(7) Don’t feel bad growing old. I am right behind you.

变老了，不要难过。我只比你年轻一点点而已。

(8) We may grow old together, but as long as we are together, I feel young.

我们也许会一起变老，但只要我们在一起，我就觉得年轻。

(9) We are going to treat you like a king today.

我们今天要像侍侯国王一般侍侯你。

(10) I hasten to congratulate you on the happy return of your birthday.

时值足下千秋令旦，草此聊表贺忱。

(11) Allow me to wish you many happy returns of the day.

拜祝遐龄永享，康宁如注。

(12) Accept my best wishes for many happy returns of this day.

敬祝本日鹤算良辰。

(13) Permit me to congratulate you on your birthday and to wish you, with all my heart, many happy returns of the joyous day.

百岁春秋，今逢华诞，为申燕喜，聊上芜词。

(14) Pray receive my sincerest congratulations on this auspicious day.

谨祝千秋令旦。

(15) Many happy returns of this auspicious day to you!

伏惟寿比南山。

(16) I know very well that today is your birthday, and wish you all happiness, health and prosperity, with many happy returns of the day.

今日悉为足下千秋令旦，谓大佳辰，恭惟鹤寿频添，起居日丽。

(17) I offer my good wishes to Mr. Cai Weiweng on his birthday.

时逢采薇翁先生华诞佳辰，谨以为贺。

(18) With my best wishes for your future happiness.

谨此敬祝千秋幸福。

(19) Birthdays may be called the milestones in life’s journey.

诞辰日，可谓一生之里程碑也。

(20) Accept my wishes for many happy returns of your birthday, and also the accompanying trifle as a mark of my sincere affection.

适逢足下佳辰，诸凡顺遂，为欣为祝，聊助寿筵，笑纳是幸。