Why do they still tie the knot?

那为什么他们还要结婚呢？

My friend is going to tie the knot.

我的朋友要结婚了。

We're just two crazy kids dying to tie the knot.

我们只是两个渴望喜结连理的孩子。

to tie the knot: "So when are you two tying the knot?"

喜结连理：“那你们什么时候结婚呢？”

Why did you pick that particular date to tie the knot?

你为什么要挑那个特定的日子来结婚？