oc·ca·sion

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【释义】：

n．❶ 时候，发生特殊事件的时机：choose one’s occasion 选择适当时机．on the occasion of the National Day of the People’s Republic of China值此中华人民共和国国庆之际．I met him on several occasions．我遇见他好几次．on occasion 随时，必要时．rise to the occasion 善处难局．take occasion(to do sth．)借机(做某事)：I would like to take this occasion to express my respect to you．我愿借此机会向你表示敬意．serve an occasion 正是好机会．❷ 道理，理由，必要：I’ve had no occasion to visit him recently．我最近没有必要去访问他．There is no occasion for complaints．没有什么可抱怨的．❸ 起因，近因：give occasion to引起．The occasion of the strike was th e dismissal of two workmen．开除两名工人是这次罢工的起因．

－vt．引起，惹起：The storm occasioned a new delay of two days暴风雨又导致了两天耽搁．This has occasioned us much anxiety．这件事使我们非常著急．