This is your big night.

今儿晚上可是你的好日子。

No one knows for certain what happened, but it's a fair bet that it was not an accident.

没有人知道究竟发生了什么，但几乎可以肯定这并非意外。

Let it be.

随它去。

It's the best we can do under the circumstances.

情况就是这样， 我们已经尽力而为了。

What does that mean in plain English?

你能不能用大白话解释一下？

That's not how I see it.

我并不这么看。