Once trained, the cows no longer require human assistance, unless something goes wrong.

VOA: special.2009.05.12

And Freud believed, as well, that if you have a problem at a certain stage, if something goes wrong, you'll be stuck there.

弗洛伊德还认为，如果你在某一阶段遇到了阻碍，没能得到满足，你就会停留在这个阶段。

耶鲁公开课 - 心理学导论课程节选

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

We have, for example, bomb drills just in case something happens people think it's right When thing happens once and you move on, go back to life, just as something goes wrong and then you move on.

例如，我们有，炸弹演习以防发生什么事情,人们认为这是应该的,发生了一件事，你要继续正常的生活，正如某事出了点问题，然后你继续前行。

普林斯顿公开课 - 人性课程节选