最好是之后再做最困难的任务——在他们适应之后开始，但要在他们感到疲倦之前结束。

It's best to take on the most difficult task second—once they're settled, but before they get tired.

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当猴子完成任务的能力越来越强时，它们就会学习新的、更困难的任务。

As the monkeys get better at completing their tasks, they learn new and more difficult ones.

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在一项研究中，研究人员给三组六岁的儿童安排了一项困难的任务，让他们在电脑上完成。

In a study, researchers gave three groups of six-year-old children a difficult task to complete on a computer.

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And, in support of the second alternative, even adults find these tasks involving lying and deception more difficult.

即使成年人也会发现,包含谎言与欺骗的任务要更加困难,这支持了第二种观点

耶鲁公开课 - 心理学导论课程节选

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