idiom174 / 184

what's to keep it from happening again

如何才能阻止它再次发生呢？

`what's to keep... from doing something` 是一个口语疑问句式，用来询问“有什么能阻止/避免某事发生呢？”这里 Jake 用它来表达担忧，不知道如何才能防止同样的坏事再次发生。

It's like, why do the worst things always happen to the best people?

And what's to keep it from happening again?

We are. Come on. We're taking you home.