- [countable]
a particular time when something happens 某次；…的时候 - on an occasion
on this/that occasion 这次；那次 I've met him on several occasions. 我曾见过他几次。 They have been seen together on two separate occasions. 他们有两次被人看见在一起。 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。 Only on rare occasions do I go out socially. 只有在极少数情况下，我才会出去社交。 - occasion when…
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。 He used the occasion to announce further tax cuts. 他利用这个机会宣布再次减税。 I have stated on numerous occasions what options are open. 我已经在许多场合说过有哪些选择。 Harry has mentioned this on many previous occasions. 哈利在以前的许多场合都提到过这一点。
Extra ExamplesI have stayed there on a number of occasions. 我曾在那儿住过多次。 It was the first of many such occasions. 这是第一次，这种情况后来发生过很多次。 On this occasion, as it happens, the engine started immediately. 这一次碰巧引擎一下子就启动了。 On this particular occasion, Joe wasn't there. 在这个特殊场合，乔却不在。 They came to visit us on the odd occasion, but only when they had nothing better to do. 他们偶尔会来访，但那只是在他们无事可做的时候。 I will overlook your lateness, on this occasion. 在这种场合，我会原谅你的迟到。
Oxford Collocations Dictionaryadjective- countless
- many
- multiple
- …
- recall
- remember
- on an/the occasion
- on occasion
- on occasions
- …
- a number of occasions
- on one occasion
- on that occasion
- …
- on an occasion
- [countable]
a special event, ceremony or celebration 特别的事情（或仪式、庆典） a great/memorable/happy/momentous occasion 伟大/难忘/快乐/重大的时刻 Turn every meal into a special occasion. 要把每一顿饭都弄得特别一些。 They marked the occasion (= celebrated it) with an open-air concert. 他们举办了露天音乐会来庆祝。 Their wedding turned out to be quite an occasion. 他们的婚礼办得相当隆重。 We expect you to dress for the occasion. 我们希望你能为这个场合穿上衣服。 - on the occasion of something
He was presented with the watch on the occasion of his retirement. 他在退休仪式上获赠这块手表。 Every good wish to them on the occasion of their 40th anniversary. 在他们结婚40周年之际，向他们致以良好的祝愿。
Extra ExamplesI only wear my silk dress on special occasions. 我只在特殊场合穿真丝连衣裙。 Medals are usually worn only on ceremonial occasions. 勋章通常只在仪式上佩戴。 The Queen's coach is only used for state occasions. 女王的马车只有国事盛典上才使用。 We sell cards and notepaper for all occasions. 我们出售各种用途的卡片和便笺。 It was certainly a memorable occasion! 这当然是一个值得纪念的时刻！
Oxford Collocations Dictionaryadjective- auspicious
- big
- great
- …
- celebrate
- mark
- rise to
- …
- call for something
- on occasion
- occasion of
- for all occasions
- for every occasion
- a sense of occasion
- …
- [singular]
a suitable time for something 适当的机会；时机 - occasion for doing something
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。 These workshops provide an occasion for talking about art. 这些研讨会提供了一个讨论艺术的机会。 - occasion for something
This is not a time for specifics, but an occasion for vision. 现在不是讨论细节的时候，而是展望未来的时候。 Festivals were occasions for great celebration. 节日是盛大庆祝的场合。 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。
Oxford Collocations Dictionaryadjective- right
- suitable
- get
- have
- arise
- occasion for
- be an occasion for something
- become an occasion for something
- have occasion to do something
- …
- occasion for doing something
- [uncountable, singular] (formal)
a reason or cause 理由；原因 - occasion to do something
I've had no occasion to visit him recently. 我最近无缘去拜访他。 She doesn’t have much occasion to speak French in her new job. 她在新工作中没什么机会说法语。 - occasion of something
Her death was the occasion of mass riots. 她的逝世引发了大规模的骚乱。 - occasion for something
Art here is an occasion for education and entertainment. 这里的艺术是教育和娱乐的场所。 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。
Extra ExamplesTopics Change, cause and effectc2I bought the camera last year, but never had the occasion to use it. 这台相机是我去年买的，可是一直没有机会使用。 Last year we had occasion to visit relatives in Cornwall. 去年我们有机会得以拜访康沃尔的亲戚。
Oxford Collocations Dictionaryadjective- right
- suitable
- get
- have
- arise
- occasion for
- be an occasion for something
- become an occasion for something
- have occasion to do something
- …
- occasion to do something
Word Originlate Middle English: from Latin occasio(n-) ‘juncture, reason’, from occidere ‘go down, set’, from ob- ‘towards’ + cadere ‘to fall’.