但如果真的下雨，全部事情就要取消。

But if it does rain, the whole thing will have to be canceled.

youdao

我认为那件事不会发生，但如果真的发生，我们该怎么办？

I don't think it will happen, but if it should what shall we do?

youdao

多数情况下，在家分娩都是安全的，但如果真的出了事，那么其严重性也会更大。

Giving birth at home may be safe most of the time, but when things do go wrong, they are more serious.

youdao

If it does work out, something extraordinary may happen.

但如果你真有了灵感，奇迹就会发生。

普林斯顿公开课 - 人性课程节选