1、occasion

时刻；时候；时节；场合

I often think fondly of an occasion some years ago at Covent Garden.

我时常愉快地回想起几年前在科文特花园的一个时刻。

Mr Davis has been asked on a number of occasions.

戴维斯先生曾多次被问及。

重大活动；仪式；庆典

Taking her with me on official occasions has been a challenge.

带着她出席正式场合对我来说一直是个挑战。

It will be a unique family occasion.

这将是一次特别的家庭聚会。

机会；时机

It is an occasion for all the family to celebrate.

这是个值得举家庆祝的时刻。

It is always an important occasion for setting out government policy.

这历来都是阐明政府政策的重要时机。

2、situation

形势;情况;局面

Army officers said the situation was under control.

陆军军官称局面已经得到了控制。

And now for a look at the travel situation in the rest of the country.

现在再来看一下该国家其他地方的旅游情况。

(建筑物、城镇的)位置,环境

The garden is in a beautiful situation on top of a fold in the rolling Hampshire landscape.

这座花园位于地势连绵起伏的汉普郡的一处山岗上，环境十分优美。