Hobbes realizes this is a difficult and uphill task that he has set for himself.

霍布斯意识到他已经给自己,定下了一个困难而艰巨的任务。

耶鲁公开课 - 政治哲学导论课程节选

And that there's some pull towards the right answer that makes this task difficult.

还有正确答案上的一些干扰,让这个任务变得更加困难

耶鲁公开课 - 心理学导论课程节选