希尔法官说陪审团的任务是“不可能完成的”，于是下令重审。

Judge Hill said the jury's task was "beyond the realms of possibility" and ordered a retrial.

《柯林斯英汉双解大词典》

医生已经完成了一场看似不可能完成的手术。

The doctors had pulled off a seemingly impossible operation.

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但这是不可能完成的任务。

But the task is impossible.

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Today I have the impossible task of finishing the parts of the Republic that I have assigned for the class.

今天我有个不可能的任务,完成《理想国》剩余的部份,依照我指定给同学的进度。

耶鲁公开课 - 政治哲学导论课程节选

How can I finish this 15 page report by tomorrow?

我怎么可能在明天之前完成这15页的报告呢？

How can I 实战 - SpeakingMax英语口语达人

Second thing we've got to worry about is, what's a basic step? All right, if I bury a whole lot of computation inside of something, I can say, wow, this program, you know, runs in one step. Unfortunately, that one step calls the Oracle at Delphi and gets an answer back. Maybe not quite what you want.

我们需要担心的第二件事情就是，什么该作为一个基本的步骤呢？,如果我把一大堆的计算过程放到里面，我可以说，噢，这个程序你知道的，一步就完成了，不幸的是,这一步可能要靠预言家才能得到答案,这可能跟你想要的结果不太相同吧。

麻省理工公开课 - 计算机科学及编程导论课程节选