Occasion，作为一个常用词汇，在英语中拥有丰富的含义，通常指“场合”、“时机”、“机会”等。理解并掌握与它相关的固定搭配，对于提高英语表达的准确性和地道性至关重要。本文将深入探讨occasion的常用固定搭配，帮助读者更好地运用这个词汇。

一、描述具体场合的搭配

On the occasion of: 这个短语用来引出某一特定事件或场合，表示“在……之际”、“在……的场合”。例如： On the occasion of his 80th birthday, a grand party was held. (在他八十岁生日之际，举办了一个盛大的派对。) On the occasion of the national holiday, the city was decorated with flags and banners. （在国庆节之际，城市装饰着旗帜和横幅。）

For the occasion: 指“为了这个场合”、“为了这次机会”。 She bought a new dress for the occasion. (她为了这次场合买了一件新裙子。) He prepared a special speech for the occasion.（他为了这次场合准备了一个特别的演讲。）

The occasion calls for: 表示“这个场合需要……”或者“这个场合适合……”。 The occasion calls for formal attire. (这个场合需要正式着装。) The occasion calls for a celebration. (这个场合适合庆祝。)

二、表示机会和时机的搭配

Take the occasion (to do something): 表示“抓住机会（做某事）”。 I took the occasion to thank her for her help. (我抓住机会感谢她对我的帮助。) He took the occasion to propose to her. (他抓住机会向她求婚。)

Rise to the occasion: 指“不负众望，胜任所处场合”或“在关键时刻表现出色”。 Despite the pressure, she rose to the occasion and delivered a brilliant performance. (尽管有压力，她还是不负众望，表现出色。) The team rose to the occasion and won the championship. (队伍不负众望，赢得了冠军。)

Miss the occasion: 表示“错过机会”。 He missed the occasion to invest in the company. (他错过了投资这家公司的机会。) Don't miss the occasion to learn from the expert. (不要错过向专家学习的机会。)

三、表示特殊场合的搭配

Special occasion: 指“特殊场合”、“特别日子”。 This restaurant is perfect for a special occasion. (这家餐厅非常适合特殊场合。) She received a beautiful necklace as a gift for a special occasion. (她收到一条漂亮的项链作为特殊场合的礼物。)

Any occasion: 表示“任何场合”、“任何时候”。 This versatile dress is suitable for any occasion. (这件多功能的连衣裙适合任何场合。) He is always ready to help on any occasion. (他总是乐于在任何时候提供帮助。)

Formal occasion: 指“正式场合”。 A tuxedo is usually worn for formal occasions. (燕尾服通常在正式场合穿着。) Proper etiquette is essential at formal occasions. (在正式场合，适当的礼仪至关重要。)

四、其他常用搭配

On occasion(s): 表示“偶尔”、“有时”。 We go to the cinema on occasion. (我们有时会去看电影。) On occasion, he would bring flowers for her. (偶尔，他会给她带花。)

The only occasion: 表示“唯一的一次”。 That was the only occasion I saw him angry.（那是我唯一一次看到他生气。）

五、通过例句强化理解

为了更好地理解和应用这些固定搭配，以下提供更多例句：

1. On the occasion of their wedding anniversary, they renewed their vows. （在他们结婚纪念日之际，他们重申了誓言。）

2. He bought her a diamond ring for the occasion of their engagement. (他为他们订婚的场合给她买了一枚钻戒。)

3. She felt nervous, but she knew she had to rise to the occasion. (她感到紧张，但她知道她必须不负众望。)

4. I've only met her on one occasion. (我只见过她一次。)

5. This is a special occasion, so let's dress up. (这是一个特殊的场合，所以我们打扮一下吧。)

6. He wears a suit on formal occasions. (他在正式场合穿西装。)

7. Take the occasion to ask any questions you may have. (抓住机会提出你可能有的任何问题。)

8. She rarely drinks alcohol, but she might have a glass of wine on occasion. (她很少喝酒，但偶尔可能会喝一杯葡萄酒。)

9. The restaurant offers a special menu for special occasions. (这家餐厅为特殊场合提供特别菜单。)

六、总结与建议

总而言之，与occasion相关的固定搭配非常多样，掌握这些搭配能够显著提升英语表达的精准度和丰富性。通过仔细研读上述例子，并在日常练习中积极运用，可以逐步内化这些搭配，从而更自信、更流利地使用英语。 除了记忆这些搭配本身，更重要的是理解它们在不同语境下的含义和用法。平时可以多阅读英文文章、观看英文视频，注意观察这些搭配是如何被使用的。 学习语言是一个持续的过程，希望本文能为读者在英语学习的道路上提供一些帮助。记住，熟能生巧，不断练习才能真正掌握这些知识。 灵活运用这些固定搭配，你的英语表达将会更加生动自然。