We made it by the skin of our teeth.

我们真是九死一生，总算到了。

No, we were lucky. We won by the skin of our teeth.

不，我们这是走运，死里逃生而已。

We all get on to the plane by the skin of our teeth, which means we only just got there.

我们都是差点上飞机，这意味着我们才刚刚到那儿。