Don't expect me to bail you out if it all goes wrong.

如果一切都搞砸了，就别指望我来解救你。

《牛津词典》

"It's like baking a cake: If you don't have exact amounts, it goes wrong," she says.

她说：“这就像是做蛋糕：如果没有精确的用量，就会出错。”

youdao

Don't worry. If anything goes wrong, I'll take responsibility for it.

没关系，出了问题我兜着。

《新英汉大辞典》

Or, if something goes wrong, trying to think of, you know, what can be learned out of it.

或者是，什么东西出错了，我就试着，想一想可以从中学到些什么。

幸福的定义 - SpeakingMax英语口语达人

That could be because people can't or don't want to wait for a delivery van to show up, or they are in a hurry, or they don't want to bother with a salesperson, or they know they can return what they buy if it goes wrong, or they just want to save on the delivery charge, especially if it is something heavy.

ECONOMIST: Retailers are the top performers online

How much are we willing to make it a 'Lord of the Flies'-type situation if it all goes terribly wrong?

BBC: Prospect of one-way Mars trip captures the imagination

It all comes back to risk: who loses if a project goes wrong, and how much they earn if it goes right.

BBC: Railtrack's risky business