用作及物动词
▲S+～+n./pron.
Who occasioned his angry?谁惹他生气了?
用作双宾动词
▲S+～+pron./n.+n./pron.
The thing has occasioned us a lot of trouble.这件事给我们带来很大麻烦。

［同义词］ n.  chance, occurrence, time
［词源］＜拉丁语occasio(逢时)

by occasion of
因为because of
By occasion of illness of him, we can't play tennis.因为他有病,我们不能打网球了。

on occasion
有时,间或from time to time
You have on occasion surprised people.你有时使人们感到诧异。

rise to the occasion
能够应付show that one can deal with a difficult situation when it happens
He rose to the occasion and gave an excellent speech.他随机应变,发表了一段精彩的演讲。

This is a gala occasion.这是一个欢乐的时刻。
I want to take this occasion to thank you.我想借此机会向你表示感谢。
We can't forfeit the occasion.我们不能失去这个机会。
I only wear a tie on special occasions.我只有在特殊的场合才系领带。
His remark was the occasion of a bitter quarrel.他的话引起一场激烈的争吵。
There was no occasion to do so.没有理由这样做。

occasion, chance, opportunity
参见chance条。