This scandal has taken the gloss off the occasion.

这丑闻使这次盛会黯然失色。

《牛津词典》

When the occasion arises, there're times when disciplinary actions must be taken.

当学习的热情高涨之时，也就是必须采取训练有素的行动的时候。

youdao

It was taken to pieces, like a toy-puzzle for a young Devil, and was put together again when the occasion wanted it.

它可以像个拆卸玩具一样分成零件给年轻的魔鬼玩，而到形势需要时又可以重新装配使用。

youdao

So I think the President, in all honesty, has been -- has taken the occasion, on more than one occasion recently, to speak directly to that.

WHITEHOUSE: Press Briefing

It was the first time in seven matches that England had taken 20 wickets in a match - the last occasion coming in the fourth Test win over South Africa in August of last year.

BBC: England seal emphatic Lord's win

The battered Sunni majority has on occasion taken indiscriminate revenge, although many activists have shown remarkable patience and remained peaceful in the face of the regime's onslaught.

ECONOMIST: Syria��s crisis