I didn't do all that work just for the fun of it.

我做这一切并不仅仅是为了好玩。

《牛津词典》

The father of four posted video clips of his playful venture on Facebook, advising parents to do fun and creative stuff with their kids.

这位四个孩子的父亲在脸书上发布了自己奇妙探险的视频，并建议父母们和孩子们一起做有趣且有创意的事情。

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Many people do fun things to make themselves stand out, like wear silly clothes or do things instead of just running.

很多人会做一些有趣的事情来让自己脱颖而出，比如跑步的时候穿傻傻的衣服或者做一些其他事情，而不仅仅是单纯的跑步。

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Some chasers do it just because it is their idea of fun.

VOA: special.2010.05.11

It's important to keep in mind always that what we do can be fun And never lose that sense of fun and enjoy exploring things I think being an engineer is partly just problem-solving and mind-set.

有一点非常重要,就是始终牢记我们所做的事情是令人愉快的,不要丧失了这种愉悦感,要享受探索的乐趣,我认为成为一名工程师从某种程度上来说,就意味着解决问题，提出创意。

普林斯顿公开课 - 领导能力简介课程节选

We do a lot of unique things here and have a lot of opportunities to do fun things in classes.

我们的活动都很独特，课上有很多机会做一些有趣的事。

又有趣又奇特的课堂 - SpeakingMax英语口语达人

We will and do make fun of absolutely anything at all.

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But a lot of the things that I have to do are a lot of fun.

WHITEHOUSE: First Lady Michelle Obama Q&A with Children

This sounds strange, but given what I know of the jailbreaking community, there are researchers who do it purely for the fun of doing it.

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