An unexpected shock or calamity.

突然的打击或灾祸。

youdao

This is especially true when projects hit a hurdle or when some major calamity befalls the project or team.

当项目遇到障碍，或是项目或团队遭受灾难性打击的时候，这一点尤其适用。

youdao

The calculation result is that exponential smoothing is suitable to forecast the trend exceed the limits so as to find the early signs of civil aviation accidents or calamity.

计算结果表明，可采用指数平滑法预测超限事件的发生趋势，及时发现民航事故的早期征兆；

youdao

What rights do employees have when a natural disaster or other calamity gets in the way of doing their jobs?

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So I figured, (unintelligible) some type of people in the world, to find an opportunity or a calamity out of an opportunity.

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It is not the Lehman Brothers calamity or the horrendous costly bailout of AIG to save finance from collapsing.

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