The brain surgery was touch and go.

脑部手术很危险。

So it was touch and go there for a while.

当时事态很紧急。

How's he doing? -Ah, it's touch and go.

情况怎样？-不很好。

Oh, it's going to be touch and go.

哦，一触即发，可好可坏。

So touch and go is when you're not sure if something will be successful.

所以 touch and go 是指你不确定某件事是否会成功。

So if something is touch and go it might work or it might not.

所以如果某事用 touch and go 形容，它可能会成功也可能不会成功。

It was touch and go at the beginning whether or not her father’s financial risk would pay off.

无论当时她父亲的经济冒险是否成功，这都是转瞬即逝的事情。

The friends look for him but it's touch and go (C2) as to whether they will ever find him.

他和他的朋友们都在寻找他，但是他们对能否找到他把握不大。

It was a touch and go affair.

这是一触即发的事情。

" Yes — it was touch and go when I got there" .

“是的——当我到达那里时，它是触手可及的”。