Don't mess about with sharp knives.

不要摆弄锋利的刀子。

youdao

Don't mess about with those hooligans.

不要跟那些流氓搞在一起。

youdao

They mess about with everything, don't they?

他们搞砸了一切，不是吗？

youdao

"You campaigned for president to solve these problems, so stop complaining about the mess that you inherited."

VOA: standard.2010.01.28

So this best response actually is a pretty complicated object, and we could, if we're going to go like we did last time, we could take the time to draw this thing, but it's a bit of a mess so I won't worry about doing that right now.

可以看出最佳对策有点复杂,我们可以,像上次课所做的那样,花点时间把这些画成图表,不过这有点麻烦,现在我不会花时间去做那些

耶鲁公开课 - 博弈论课程节选

"In addition to cleaning up the mess, repairing the damage and cracking down on big oil companies, we also have to get serious about ending our dependence on oil and creating new sources of clean energy."

VOA: standard.2010.07.31

There are also penalties for pupils who mess about or fail to complete assignments.

BBC: How to use games to teach physics

For those who are brave enough, the MX2 will be rootable, so feel free to mess about.

ENGADGET: Meizu MX2 packs 1.6GHz quad-core chip, 4.4-inch display and Jelly Bean, due mid-December

What was a continuous, miraculous conduit from the depths of the Earth or the heart of the atom becomes a noxious, tangled and inaccessible mess about which, for months, nothing can be done.

ECONOMIST: Lessons from Deepwater Horizon and Fukushima