Their parties are always fun.

他们的聚会总是很有趣。

youdao

Her life is one long round of parties and fun.

她的生活就是没完没了的聚会娱乐。

《牛津词典》

I can remember my mom telling me stories about how fun her dating life was in meeting guys at parties or through fix-ups or through a gang of friends.

我还记得老妈告诉我她的恋爱生涯是多么的有意思，要么是在聚会上遇见某人，要么就通过相亲或者就在一大帮朋友中认识。

youdao

It was fun. There were parties.

大学生活很丰富，派对不断。

哈佛公开课 - 幸福课课程节选

I mean parties are fun, but there's not too much time to party, not too much time for study.

我是说派对很有意思，但是我们没有很多时间去玩，也没有很多时间去学习。

派对很好玩 - SpeakingMax英语口语达人

So there are always a lot of fun things going on like parties and social events.

所以总是有好多有趣的事情，比如派对和社交活动。

对于返校日 - SpeakingMax英语口语达人

Rather, my point is, ideology is fine and well and good and makes for fun cocktail parties and tense Thanksgivings.

FORBES: The Good Gridlock We Got

He believes people who list entertainment venues or promote parties online might have an interest in buying addresses such as parties.fun.

WSJ: Wheeling and Dealing for Domain Names

Office holiday parties can be fun.

FORBES: Employees Want a Bonus This Year, Not a Holiday Party