It's difficult to assign any reason for the failure.

失败的原因很难确定。

《新英汉大辞典》

Our life goals and our requirements are constantly pushing us to make difficult choices, and despite all our efforts, we may find ourselves in situations of failure.

我们的生活目标和需求不断地逼迫我们做出艰难的选择，而且适得其反，我们会发现自身处于失败的境地。

youdao

Failure to consider security can lead to ill-considered decisions from which there is no turning back; retrofitting security after the fact can vary from difficult to nearly impossible.

不考虑安全性会导致作出错误的决策，从而造成不可挽回的损失；错误决策后再加强安全措施会变得非常困难甚至不可能。

youdao

Interesting. Even though the market seized up very dramatically afterwards and we had some of the most difficult short-term financial consequences of that failure?

有意思，尽管市场严重失灵,我们面临着,许多短期的,非常严重的后果？

斯坦福公开课 - 经济学课程节选

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ECONOMIST: Fallen idol | The

It is widely acknowledged that the "resignation" Craig tendered in November of last year was the result of his failure to manage the difficult politics involved in shutting Gitmo down.

CENTERFORSECURITYPOLICY: Mirandized security risks

Degenerative diseases such as Alzheimer's may turn out to be more difficult to model because they involve the failure of more than just brain cells, Markram says.

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