This was not only a project to protect the environment, but also a fun filled family day.

这不仅是一次环保活动，也是一次健康休闲的家庭旅游。

youdao

Open the door, walk, fresh or browse, explore the unknown world, this is a very exciting, but also a fun process.

打开这些门，走过去，浏览新鲜的景物，探求未知的天地，这是一件激动人心的事情，也是一个乐趣无穷的过程。

youdao

Surfing the Internet is fun, but it's also a time waster.

上网很有趣，但也是一件浪费时间的事。

《柯林斯英汉双解大词典》

People who want to search for their roots say it is a lot of work, but also a lot of fun.

VOA: special.2010.06.28

So just confirming these actions, not only did that spoil my weekend but it also spoiled my opportunity to make fun of Kaj all week, so it was really a big deal.

这个点球,不仅毁了我的大好周末,还让我错失了调侃卡茄的机会,真是亏大了

耶鲁公开课 - 博弈论课程节选

but you can also have some really easy quarters and have a lot of fun.

但你仍然会有一些实际上很简单的部分，
并且会有很多乐趣。

很好奇住宿生活 - SpeakingMax英语口语达人

Selecting tenants is a tricky business especially in a personal residency but it can also be a lot of fun.

FORBES: Snow Problem: Why I Bought a House in My Early 20s

Dr Biles says that playing jazz with GenJam is a lot of fun, but can also be a bit unnerving.

ECONOMIST: Musical computers

The more closely focused views of Arab contemporaries add not just texture and sometimes fun, but also give a deeper sense of changing Arab sensibilities.

ECONOMIST: The history of the Arabic-speaking peoples