Behave badly to his team members or competitors.

对团队成员或竞争对手表现不好。

If children are badly brought up they behave badly.

如果孩子的教养不好，他们的行为就不好。

Is it: Behave badly or Go outside?

是举止不好还是去外边？

To act out means to behave badly.

act out的意思是举止不好。

The students in this class behave badly .

这个学生在课堂上表现很差。

We all can be selfish and behave badly at times.

我们都是很自私的人，常常会表现得很糟糕。

Scientists tested how willing people were to behave immorally and discovered that people will behave badly if it does not involve too much work on their part.

科学家们在调查人们是如何行为不端的时候发现，如果可以不劳而功的话，人们往往会采取不道德的行为。

If everyone would stop buying goods from corporations which behave badly, corporations would slowly compete to be nicer and nicer.

如果每个人都停止向表现很差的公司购买商品，那么公司将渐渐表现越来越优异。

It is all too reminiscent of our schools: behave badly and we’ll reward you, thus encouraging all the good kids to be bad too.

这让我想到了学校：学生你行为不端，我们给予你奖励，这也鼓励了所有孩子变坏。