Bad behaviour is a sure-fire way of getting attention.

不良行为是能够成功引起别人注意的方法。

How do we encourage good behaviour in children, and how do we discourage bad behaviour?

我们如何鼓励良好行为的儿童，我们如何阻止不良行为？

Sleeping alone makes it harder for mother and child to bond - and damages the development of the brain, leading to bad behaviour as the child grows up, researchers fear.

研究人员担心宝宝单独睡不利于母子之间建立感情纽带，而且会损害大脑的发育，导致孩子成长过程中的不良行为。

PUBLIC displays of untidiness, such as graffiti, may promote bad behaviour (see article), but when it comes to personal cleanliness the opposite appears to be true.

公共场所的不清洁的行为，例如涂鸦，或许会对不良行为有推波助澜的作用。然而，当牵扯到个人清洁卫生的时候，结论却恰好相反。

PUBLIC displays of untidiness , such as graffiti, may promote bad behaviour (see article), but when it comes to personal cleanliness the opposite appears to be true.

公共场所的不清洁的行为，例如涂鸦，或许会对不良行为有推波助澜的作用。然而，当牵扯到个人清洁卫生的时候，结论却恰好相反。

Mum took Anna away, scolding her for her bad behaviour.

妈妈拉走了安娜，责备她不守规矩。

His bad behaviour grieved his parents deeply/greatly.

他的劣行使父母深感伤心。

An instance of his bad behaviour is that he ran away from school.

他表现不好的一个例子是逃课。

Out penalties for bad behaviour

惩罚恶劣行为

His bad behaviour rewards attention.

他的恶劣行为值得注意。