在英语中,"fun"是一个常用的形容词,意思是"有趣的"、"好玩的"。它可以用来形容活动、游戏、娱乐项目或其他事物,表示这些东西很有趣,能给人带来乐趣。

例如:

That party was so much fun! (那场聚会太好玩了!)
I always have fun when I go to the beach. (我去海边的时候总是很开心。)
I think this new game is going to be a lot of fun. (我觉得这个新游戏会很好玩。)

"Fun"这个词本身就是英语的一个常见词汇,并不是从其他语言借来的。

你也可以用其他的形容词来表示"很好玩"的意思,比如"entertaining"(有趣的,娱乐的)、"enjoyable"(令人愉悦的)、"amusing"(有趣的,逗乐的)等等。

例如:

That comedy show was really entertaining. (那场喜剧表演真的很有趣。)
That book was really enjoyable. I couldn't put it down. (那本书真的很好看。我看得入迷。)
The magician's tricks were really amusing. (