"This is a really difficult test to do and people without any mental health problems find it difficult," said Groom.

“这是一个非常困难的测试，没有做任何的精神方面健康问题的人也会觉得很难，”格鲁姆说。

youdao

Since my polyphasic sleep experiment seemed to be going so well, I decided to give it a more difficult test the past few days to get a better sense of its boundaries and limits.

鉴于我很顺利的度过了适应期，所以我决定尝试一些新的挑战来评测我的极限。考虑到我仅仅才尝试多相睡眠一个星期，感觉有些操之过急。

youdao

He found the test difficult but nevertheless made a good stab at it.

尽管他觉得试题很难，但还是尽力去做了。

《牛津词典》

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Imagine you are about to take a difficult test, or undergo a grueling interview.

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World No.2 Federer knows formidable Czech Berdych will offer a difficult test as he bids fora place in the final and his 77th career title.

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The police authority said Mr Crompton had "fantastic credentials and experience" and faced a "difficult test in guiding South Yorkshire Police through a tough economic climate".

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