befallen

If we had been careful such a calamity would not have befallen us.

假如我们谨慎的话, 这种灾难不会降临到我们的头上。

I know not wherefore it befell.

我不知道为什么成这个样子。

Who can predict the misery that may befall humankind?

谁又能够预测可能降临到人类头上的灾难呢？

Evil befell him.

灾祸落到他身上。