订婚宴的英语是：An engagement dinner。
An engagement dinner的例句：
1、当然，你是在订婚宴上遇到他的。
Of course, you met him at the engage-ment party.
2、订婚宴那晚你服了药没有。
Did you take pills the night of the party?
3、好消息是他来参加你的订婚宴了？
The good news is that he's here for your engagement party.
4、其实我在订婚宴上看到过夏洛特拿着一个处方药的药瓶。
Actually, I saw charlotte with a prescription pill bottle at the party.
5、A wish to two happy people for a future of dreams comes true, Congratulations,at the engage ment party!
祝两个幸福的人儿，来日美梦都成现实。 祝贺你们的订婚宴举办成功！
6、Only once in a lifetime that a special dream comes true. And suddenly your entire world seems beautiful and new. Best wishes always!
一生中只有一次美梦实现的奇迹，你俩的整个世界顿时变得绚丽新奇。 祝永远幸福！
7、You two are a perfect match. Here's wishing you both a lifetime of happiness,engagement happy.
你们是天生的一对，祝你们永远幸福，订婚宴开心。
8、We never knew two people better suited to each other.
我们从未见过如此般配的一对。
9、You're the luckiest guy in the world.your engagement party.
你是世界上最幸运的人儿。订婚宴也是最好的。
10、God bless you and yours, and surround you ever with his blessing.
愿上帝祝福你和你的爱人订婚宴快乐，永远赐福于你们。
11、May you two always be in love! May happiness increase with age.
愿你俩订婚宴永浴爱河，祝你俩幸福与年俱增。