occasion

chance, opportunity, occasion

名词 occasion:

1. an event that occurs at a critical time
   同义词：juncture
2. a vaguely specified social event
   同义词：affair, social occasion, function, social function
3. reason
4. the time of a particular event
5. an opportunity to do something

动词 occasion:

1. give occasion to

1. I've met her on several occasions recently.
   我最近见到过她好几次。
2. You should go there if occasion arises.
   如果有机会，你应当到那里去。
3. There was no occasion to be so rude.
   没有理由这样粗鲁。
4. I was not at home on that occasion.
   那时我正好不在家。
5. I only wear a tie on special occasions.
   我只在特殊场合才打领带。

oc.ca.sion

n.（名词）

An event or a happening; an incident.
场合：重大的事件；事故
The time at which an event occurs.
这种事件发生的时刻
A significant event.
重要的事件
A favorable or appropriate time or juncture; an opportunity.See Synonyms at opportunity
机会，时机：一个有利的或合适的时间或时机；机会参见 opportunity
Something that brings on or precipitates an action, a condition, or an event, especially the immediate cause.See Synonyms at cause
诱因：使促成或加速行动、状况或事件进程的事物，尤指立即造成的参见 cause
Something that provides a reason or justification; a ground.
理由：提供理由或口实的事物；依据
A need created by a particular circumstance:
需要：一种由特定环境而引起的需要：
例句：
.He must buy what he has little occasion for.(Laurence Sterne)
.他必须买他不太需要的东西.(劳伦斯·斯特内)

A large or important social gathering.
盛大场面：一个大型或重要的社会集会
occasions Archaic Personal requirements or necessities.
occasions 【古语】 个人的要求或必需品
v.tr.（及物动词）
oc.ca.sioned,oc.ca.sion.ing,oc.ca.sions
To provide occasion for; cause:
引起：为…提供场合；引起：
例句：
.The year`s annual reports occasion an especially revealing glimpse of how corporations lend . . . embellishment to the stark numbers of the comptroller`s office.(Mark Muro)
.这一年的年度报告使人们看到公司是怎样对审计室里刻板的数字进行修饰的.(马克·穆罗)

<习惯用语>on occasion
From time to time; now and then.
偶尔：间断地；不时地
来源：
Middle English
中古英语
from Old French
源自 古法语
from Latin occ3siô occ3siôn-
源自 拉丁语 occ3siô occ3siôn-
from occ3sus [past participle of] occidere [to fall]
源自 occ3sus [] occidere的过去分词 [落下]
ob- [down] * see ob-
ob- [在…下] *参见 ob-
cadere [to fall] * see kad-
cadere [落] *参见 kad-