formal occasion

基本解釋

A:But it's a very casual gathering,not a formal occasion.
可這個聚會很隨便，不那么正式。
They wear them when they go out on a date or want something a bit different for a formal occasion.
她們也同樣可以穿上和服去約會或出席一些正式的場合，使自己與眾不同。
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And it would be odd for any 53-year-old man to kiss any 77-year-old woman on first acquaintance, let alone a queen, at a formal occasion, and "full on the lips".
對任何一個53歲的男人來說，首次在一個正式場合見到一位77歲的老婦人就“完全嘴對嘴“親吻她，實在很古怪，何況這位老婦人還是一位皇太后。

And there will actually be a formal occasion in which foreign policy will be debated as part of the presidential campaign debates.
WHITEHOUSE: Press Briefing