occasion

• 名词，指某个特定的时间、事件或情况，某事发生的时刻或场合；也可指引起某事的原因或理由。

A noun referring to a particular time, event, or instance when something happens.

1. Event or happeningA2formal

   A particular time when something happens, especially a special event.

   场合

   • The wedding was a joyous occasion.
   • We celebrate this occasion every year.
   • She wore a beautiful dress for the occasion.

   同义词affaircelebrationeventfunctiongatheringhappeningincidentoccurrence

2. Opportunity or reasonB1formal

   A suitable time or reason for doing something.

   时机；理由

   • This is a perfect occasion to thank everyone.
   • He took the occasion to express his gratitude.
   • The meeting provided an occasion for discussion.

   同义词callcausechanceexcusejustificationopeningopportunityreason

3. A2formal

   A specific time or instance of something happening.

   场合

   • On several occasions, she has helped me.
   • I met him on one occasion last year.
   • There have been occasions when I felt lost.

   同义词caseepisodeeventincidentinstancemomentoccurrencetime

• 动词，表示引起、导致某事发生，通常指引发某个事件或情况。

A verb used to indicate the act of causing or bringing about something, typically an event or situation.

1. Cause or bring aboutC1formal

   To cause something to happen, especially something formal or significant.

   引起

   • The incident occasioned a thorough investigation.
   • His remarks occasioned a heated debate among the committee members.
   • The new policy occasioned widespread changes in the company.

   同义词bring aboutcauseelicitgenerateinduceproducepromptprovoketrigger

   反义词avertdeterforestallpreventstop