Just calm down.冷静点

calm down:（使)平静； （使)安静

Calm down there's no need to get into a lather about it!

冷静些--没有必要为这件事动肝火！

I told myself to calm down.

我告诫自己要冷静下来。

a try...is as good as a win.尽力了就有胜诉的希望

as good as:和 ... 几乎一样

It wasn't as good as I'd expected.

这不如我原来想的那么好。

Enough is as good as a feast.

知足常乐。

Why don't you find out for yourself?为什么不自己去一探究竟呢

find out:发现；找出来；揭发

We must find out the truth of this incident.

我们一定要把这件事情的本相找出来。