恭喜的英文：
congratulations
greetings

参考例句：

Yes. You passed the enterance examination. Congratulations!
是的，恭喜你通过入学考试。

Congratulation!
恭喜!

Congratulations on your promotion!
恭喜高升！

Congratulations on your graduation!
恭喜毕业。

Congratulations on your acceptance at the school!
恭喜入学。

You got married? Congratulations!
你们结婚了?恭喜你们!

Congratulations on your engagement!
恭喜你订婚!

Congratulations on your new baby.
恭喜小宝贝的来到。

Congratulations to you on your…
恭喜/祝贺你…

Congratulations on the birth of your daughter.
恭喜小女孩的诞生。

congratulations是什么意思：
n. 祝贺；恭喜；贺词

Receive insults,thanks,congratulations
受到侮辱、感谢、祝贺

Warm applause,congratulations,thanks
热诚的掌声、祝贺、感谢

A subject for pity,ridicule, congratulation
怜悯、取笑、祝贺的对象

My warmest congratulations to you for such an outstanding performance.
我为你取得如此突出的成绩向你表示热烈的祝贺。

Yes. You passed the enterance examination. Congratulations!
是的，恭喜你通过入学考试。

greetings是什么意思：
n. 问候；祝贺；欢迎辞
v. greet的现在分词

He acknowledged the greeting with a nod.
他点了点头，回应了对他的问候。

A beautiful view greeted us.
美丽的景色呈现在我们面前。

They greeted and smooched each other.
他们互相问候亲吻。

a cheery smile, greeting, wave
喜气洋洋的微笑、 致意、 招手。

This is the usual form of greeting here.
这本是这儿通常的欢迎礼节。