VOA慢速英语:Hey You! Quit Monkeying Around!

短语讲解：

1. In fact, Charles Darwin's theory of evolution says that monkeys and humans share a common ancestor.

in fact 实际上
例句：In fact there are other models to consider.
实际上我们还可以考虑其他一些模式。

2. The meaning is clear if you have ever watched a group of monkeys playfully chasing each other: pulling tails, stealing food, doing tricks.

each other 互相，彼此
例句：We liked each other a lot.
我们彼此都很喜欢对方。

3. Also, you can monkey around when you feel like doing something, but have no firm idea of what to do.

feel like 摸起来像是…，有…的感觉；想要…
例句：I don't feel like going anymore.
我再也不想练了。

4. For example, you tell your friend you are going to spend the day monkeying around with your car.

for example 比如
例句：For example, consider incomplete contracts.
比如考虑一下不完整的合同。