The launch of a ship was a big occasion.

船下水曾是一件大事。

《柯林斯英汉双解大词典》

His remark was a big occasion of a bitter quarrel.

他的话引起了一场激烈的争吵。

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Yesterday was a big occasion for both the sons of Neville Neville.

昨天的比赛对两个内维尔都很重要。

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The Milan derby was a big occasion but the derby d'Italia was the real killer one, as it were.

BBC: Sir Alex Ferguson warns Man Utd ahead of Liverpool game

He's a young man with a great temperament for the big occasion and deserving of the plaudits he receives.

BBC: Cricket World Cup: Andrew White column

But Kevin Pietersen loves the big occasion and was visibly bristling as he rushed out to bat from the dug-out.

BBC: Jonathan Agnew column