It's no fun/not much fun having to work at the weekends.

周末工作没什么意思。

Not much fun if you're out in it.

淋起来可不好受。

It is a cold morning and the lens fogs up - that is not much fun.

这是一个寒冷的早晨和镜头雾了-这是没有多少乐趣。

It is not much fun to make a spontaneous trip to the beach only to find you have left your swimsuit at home.

当你一时兴起去海边玩，而到达之后才发现泳衣放在家里时，可能就太扫兴了。

When they do, it's not much fun and in most cases, those involved would just rather sweep the whole thing under the rug and move on.

出现失败时并不怎么有趣，而且在大多数情况下，涉及此项目的人都会卷铺盖走人。