1. The exam was pretty difficult.
这场考试相当难。

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2. The exam was fairly difficult.
这场考试相当难。

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3. The exam was quite difficult.
这场考试相当难。

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4. He's a difficult man to please.
他是个难以取悦的人。

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5. It's difficult to tell them apart.
很难把他们区分开来。

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6. It was a rather difficult question.
这是个相当难的问题。

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7. It was a difficult birth.
那是一次难产。

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8. It was rather a difficult question.
这真是个难题。

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9. She made life very difficult for me.
她使我的生活变得很艰难。

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10. We are faced with a difficult choice.
我们面临着困难的抉择。

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11. She's faced with a difficult decision.
她眼前有一项难作的决定。

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12. She's going through a difficult phase.
她正处于困难时期。

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13. Is it difficult being a single mother?
当单身母亲难吗?

《柯林斯英汉双解大词典》

14. It was a difficult and roundabout trip.
这是一次艰难而曲折的旅行。

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15. The exam questions were quite difficult.
考题相当难。

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16. It's a difficult decision for any doctor.
这对任何医生来说都是一个困难的决定。

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17. We've done the difficult part of the job.
我们已完成了工作的困难部分。

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18. Your writing is really difficult to read.
你的笔迹真是难以辨认。

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19. Well, you know, it's difficult to explain.
唉,你知道,这很难解释。

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20. Such a policy is difficult, nay impossible.
这一政策很难实施,甚至是不可能的。

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21. It's really difficult to read your writing.
你的笔迹真是难以辨认。

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22. It can be difficult to ascertain the facts.
可能难以查明事实真相。

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23. Some managers find it difficult to delegate.
有些经理认为难以做到知人善任。

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24. It's still extremely difficult to get tenure.
要取得终身职位仍然极其困难。

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25. The last couple of years have been difficult.
最近的几年一直是困难重重。

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26. The legislation will be difficult to enforce.
这一法规将难以实施。

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27. You have to persevere with difficult students.
对难教的学生你必须坚持诲人不倦的精神。

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28. The market situation is difficult to evaluate.
市场形势难以评估。

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29. It wasn't difficult then to cross the frontier.
那时候穿越国界并不难。

《柯林斯英汉双解大词典》

30. Scuff marks from shoes are difficult to remove.
鞋上的擦痕很难去除。

《柯林斯英汉双解大词典》