大灾难的英文是catastrophe。
双语例句：
1
驱逐成千上万人意味着人道主义的巨大灾难。
The expulsion of thousands of people represents a humanitarian catastrophe of enormous proportions.
2
真是一场大灾难！
What a complete catastrophe!
3
然而，对于一种生物种群而言是大灾难的事件，却有可能给另一种生物种群创造机会。
What is a catastrophe for one group of living things, however, may create opportunities for another group.
4
他推测有些人也许能察觉到重大灾难。
He conjectured that some individuals may be able to detect major calamities.
5
这形势本来是很可能成为一场大灾难的。
The situation might all too easily have become a disaster.
6
没有人预测到那些变化会变成一种大灾难。
Few had expected that change to be as cataclysmic as it turned out to be.
围脖猫猫
