送上一句英文祝福语，不论是调侃还是缓缓气氛，都是不错的选择。没必要弄那么难懂的，但需要真挚的！

You two are a perfect match. Here's wishing you both a lifetime of happiness.
你们是天生的一对，祝你们永远幸福。

We never knew two people better suited to each other.
我们从未见过如此般配的一对。

You're the luckiest guy in the world.
你是世界上最幸运的人儿。

God bless you and yours, and surround you ever with his blessing.
愿上帝祝福你和你的爱人，永远赐福于你们。

May you two always be in love! May happiness increase with age.
愿你俩永浴爱河，祝你俩幸福与年俱增。

Wishing you a world of happiness and love as all your dreams come true.
但愿天从人愿，幸福与爱情无边！

He must be extra special,
because he is marrying a lovely girl.
新娘如此可爱，
新郎必定英俊不凡。

May the joy you share on your wedding day
Be the kind you'll share all along life's way.
愿你俩婚礼之日分享的喜悦，
将伴随你俩共度人生的岁月。