occasion

noun

1. 某次；…的时候
   a particular time when sth happens
   1. on this/that occasion
      这 / 那次
   2. I've met him on several occasions.
      我曾见过他几次。
   3. I can remember very few occasions when he had to cancel because of ill health.
      我记得他因为健康不佳而被迫取消的情况绝无仅有。
   4. They have been seen together on two separate occasions .
      他们有两次被人看见在一起。
   5. On one occasion, she called me in the middle of the night.
      有一次她深更半夜打电话给我。
   6. He used the occasion to announce further tax cuts.
      他利用这个机会宣布再次减税。
2. 特别的事情（或仪式、庆典）
   a special event, ceremony or celebration
   1. a great/memorable/happy occasion
      伟大的 / 难忘的 / 欢乐的庆典
   2. Turn every meal into a special occasion .
      要把每一顿饭都弄得特别一些。
   3. They marked the occasion (= celebrated it) with an open-air concert.
      他们举办露天音乐会来庆祝这个特别的时刻。
   4. Their wedding turned out to be quite an occasion.
      他们的婚礼办得相当隆重。
   5. He was presented with the watch on the occasion of his retirement.
      他在退休时获赠这块手表。
3. 适当的机会；时机
   a suitable time for sth
   1. It should have been an occasion for rejoicing, but she could not feel any real joy.
      原本应该是高兴的时刻，她却丝毫未感到快乐。
   2. I'll speak to him about it if the occasion arises (= if I get a chance).
      有机会的话，我要跟他谈谈这件事。
4. 理由；原因
   a reason or cause
   1. I've had no occasion to visit him recently.
      我最近无缘去拜访他。
   2. Her death was the occasion of mass riots.
      她的逝世引发了大规模的骚乱。
   3. I'm willing to go to court over this if the occasion arises (= if it becomes necessary) .
      如果必要的话，我愿意就此出庭。

verb

1. 使发生；造成；导致
   to cause sth
   1. The flight delay was occasioned by the need for a further security check.
      这次航班的延误是由于必须做进一步的安全检查。
   2. The decision occasioned us much anxiety.
      这个决定让我们忧虑不堪。

1. N-COUNT 时刻；时候；时节；场合
   An occasion is a time when something happens, or a case of it happening.
   1. I often think fondly of an occasion some years ago at Covent Garden...
      我时常愉快地回想起几年前在科文特花园的一个时刻。
   2. Mr Davis has been asked on a number of occasions.
      戴维斯先生曾多次被问及。
2. N-COUNT 重大活动；仪式；庆典
   An occasion is an important event, ceremony, or celebration.
   1. Taking her with me on official occasions has been a challenge...
      带着她出席正式场合对我来说一直是个挑战。
   2. It will be a unique family occasion.
      这将是一次特别的家庭聚会。
3. N-COUNT 机会；时机
   An occasion for doing something is an opportunity for doing it.
   1. It is an occasion for all the family to celebrate...
      这是个值得举家庆祝的时刻。
   2. It is always an important occasion for setting out government policy.
      这历来都是阐明政府政策的重要时机。
4. VERB 导致；引起；使发生
   To occasion something means to cause it.
   1. He argued that the release of hostages should not occasion a change in policy.
      他认为释放人质不应造成政策的改变。
5. See also: sense of occasion
6. PHRASE 有必要（做）；需要（做）
   If you have occasion to do something, it is necessary for you to do it.
   1. We have had occasion to deal with members of the group on a variety of charges.
      我们有必要以多项罪名起诉该组织的成员。
7. PHRASE 偶尔；间或；有时
   If something happens on occasion, it happens sometimes, but not very often.
   1. He treated them seriously and, on occasion, entertained them hilariously...
      他对待他们严肃认真，偶尔又逗得他们捧腹不已。
   2. He translated not only from the French but also, on occasion, from the Polish.
      他不仅做法文翻译，有时也做些波兰语翻译。
8. PHRASE 成功应付困难局面；关键时刻发挥作用
   If you say that someone rose to the occasion, you mean that they did what was necessary to successfully overcome a difficult situation.
   1. Inverness, however, rose to the occasion in the second half, producing some of the best football they have played for some time.
      然而，因弗内斯队在下半场经受住了考验，踢出了很长一段时间以来的最佳水平。

1. The meal gave the occasion an almost festive air.
   这一餐使整个场合有了近乎节日般的喜庆氛围。
2. How can anyone look sad at an occasion like this?
   在这样的场合怎么会有人显得忧伤呢？
3. It was a wonderful occasion which we will cherish for many years to come.
   那是一个美好的时刻，我们将多年不忘。
4. All the old crowd have come out for this occasion.
   那些老伙计们都来参加这一庆典。
5. On another occasion I answered the phone and the line went dead.
   还有一回，我一接电话，就掉线了。
6. But he could also turn on the style when the occasion demanded.
   但是如果场合需要，他也能拿出派头来。
7. It will be a marvellous occasion and they should go out and enjoy it.
   这是个好时机，他们应该出去痛快地玩一玩。
8. I would like it to be an informal occasion
   我希望把它办得不那么正式。
9. Enthusiastic applause lent a sense of occasion to the proceedings
   热烈的掌声给活动平添了几分隆重的色彩。
10. I often think fondly of an occasion some years ago at Covent Garden
    我时常愉快地回想起几年前在科文特花园的一个时刻。
11. Mr Davis has been asked on a number of occasions.
    戴维斯先生曾多次被问及。
12. Taking her with me on official occasions has been a challenge
    带着她出席正式场合对我来说一直是个挑战。
13. It will be a unique family occasion.
    这将是一次特别的家庭聚会。
14. It is an occasion for all the family to celebrate
    这是个值得举家庆祝的时刻。
15. It is always an important occasion for setting out government policy.
    这历来都是阐明政府政策的重要时机。
16. He argued that the release of hostages should not occasion a change in policy.
    他认为释放人质不应造成政策的改变。
17. We have had occasion to deal with members of the group on a variety of charges.
    我们有必要以多项罪名起诉该组织的成员。
18. He treated them seriously and, on occasion, entertained them hilariously
    他对待他们严肃认真，偶尔又逗得他们捧腹不已。
19. He translated not only from the French but also, on occasion, from the Polish.
    他不仅做法文翻译，有时也做些波兰语翻译。
20. Inverness, however, rose to the occasion in the second half, producing some of the best football they have played for some time.
    然而，因弗内斯队在下半场经受住了考验，踢出了很长一段时间以来的最佳水平。
21. Many view these meetings as an occasion to share ideas and refresh friendship
    许多人把这些会面看成是交流想法和保持友谊长青的机会。
22. The good weather helped to make the occasion a resounding success.
    天公作美，使得这次活动获得了巨大成功。
23. The coronation was an occasion for extravagant myth and sentiment.
    加冕典礼是极尽奢华和怀旧的仪式。
24. She had no other dress suitable for the occasion
    她没有其他适合这种场合穿的套裙。
25. He found what he was saying was not proper for the occasion and he stopped short.
    他觉得自己说的话不对碴儿，就停住了。
26. His behaviour was not in keeping with the solemn occasion.
    他的举止与这庄严的场合不协调。
27. Conversation on such an occasion is not expected to soar above polite commonplaces.
    不能指望在这种场合的谈话会超越平常的客套。
28. You can depend on him to rise to the occasion, if need be.
    如果需要的话，你可依靠他来应付这个局面。
29. What you said on the occasion was not appropriate.
    在这种场合你说这样的话是不相宜的。
30. The National-Day celebration this year was an unprecedentedly great occasion.
    今年国庆日庆祝仪式空前盛大。

  opportunity chance occasion time【导航词义：机会】

  opportunity n. 机会，时机

〔辨析〕指能够做某事或容易做成某事的机会，作此义解时常可与 chance 换用；也可指得到工作或提升的机会。

  chance n. 机会，机遇

〔辨析〕指做想做之事的适当时机，侧重指偶然或意外的机会。

  occasion n. 时机，机会

〔辨析〕指合适的机会或有利的时机，通常用单数，常后接介词 for。

  time n. （可利用的）时间

〔辨析〕指能够用来做某事的一段时间，多用于口语。

n.

on occasion(s)

• 偶尔；偶然；有时
  sometimes but not often
  1. He has been known on occasion to lose his temper.
     大家都知道他有时会发脾气。

a sense of occasion

• 隆重的（或特别的）气氛
  a feeling or understanding that an event is important or special
  1. Candles on the table gave the evening a sense of occasion.
     桌上点了一些蜡烛，使得那个晚上有一种特别的气氛。

noun

1. an event that occurs at a critical time
   1. at such junctures he always had an impulse to leave
   2. it was needed only on special occasions

   Synonym:    juncture

2. a vaguely specified social event
   1. the party was quite an affair
   2. an occasion arranged to honor the president
   3. a seemingly endless round of social functions

   Synonym:    affairsocial occasionfunctionsocial function

3. reason
   1. there was no occasion for complaint

4. an opportunity to do something
   1. there was never an occasion for her to demonstrate her skill

5. the time of a particular event
   1. on the occasion of his 60th birthday

verb

1. give occasion to