1、你们是天生的一对，祝你们永远幸福。
You are a natural couple. I wish you happiness forever.
2、愿你们用心捍卫爱情，月亮为你们见证。
May you defend your love with your heart, and the moon will witness for you.
3、两情相悦同心圆，喜结良缘渡同船。
The two love each other with the same heart.
4、以爱情的名义祝福你们，愿爱情之花在你们心里永开不败。
Bless you in the name of love. May the flowers of love bloom forever in your hearts.
5、亲爱的朋友，祝愿你们生生世世，相爱的心永不变！
Dear friends, I wish you all the best in your life.