1.節日    n.

Halloween is one of the major festivals in the United States of America.

萬聖節是美國的主要節日之一。

2.慶祝活動 n.

We hold a festival on Women and Children's Day.

我們在婦幼節舉辦慶祝會。

3.節日的 adj.

My dear friends, please wear festival costumes to the party.

親愛的朋友們，請穿著節日盛裝參加舞會。