do random, unplanned work or activities or spend time idly;

"The old lady is usually mucking about in her little house"

you might hear that same teacher warn a student not to monkey around with a valuable piece of equipment.

你可能听到同一位老师提醒一位学生，不要在一件昂贵的设备上瞎折腾。

you monkey around with something when you do not know what you are doing. you are touching or playing with something you should leave alone.

当你不知道自己在干什么时，就说你是monkey aroundwithsomething，你正在触碰或把玩一些你应该放下的东西。

monkey around at a zoo or museum

去动物园或博物馆打发时间

i had a pullup bar at home before, but one of my friend broke it when he tried to monkey around on it.

我有一个上拉酒吧在家过，但是我的朋友之一，他打破了它试图猴子它。

2：pete, i「ve got to tell you: you」re asking for big trouble when you monkey around with that girl -- you know she's engage to that tough football player, and i hear he has a hot temper.

他说：pete，我得告诉你：你围着那女孩团团转可是在自找麻烦。知道吗？那女孩已经跟那厉害的足球运动员订了婚，听说她未婚夫是个火爆性子。

they just stare back at the crowds of people who turn out to watch them. then they continue to monkey around and have a good time.

牠们只是回过头来瞪着跑出来看牠们的人群，然后继续胡闹，玩得不亦乐乎。

2：pete, i’ve got to tell you: you’re asking for big trouble when you monkey around with that girl -- you know she’s engaged to that tough football player, and i hear he has a hot temper.

他说：pete， 我得告诉你:你围着那女孩团团转可是在自找麻烦。知道吗？那女孩已经跟那厉害的足球运动员订了婚，听说她未婚夫是个火爆性子。

it is dangerous to monkey around in the workshop.

在车间里胡闹是危险的。

these zodiac signs are all about symbolism if you ask me, though there are people who believe that, because you are born in a monkey year, you monkey around doing monkey business.

在我看来所有生肖形象都是具有象征意义的，但是有些人认为因为你属猴，所以你就会像猴子一样调皮捣蛋。

also, you can monkey around when you feel like doing something, but have no firm idea of what to do. for example, you tell your friend you are going to spend the day monkeying around with your car.

此外，当你觉得喜欢做某事，但没有如何做的明确想法时，你也可以是瞎玩（monkey around）。