If something is done badly or goes badly, it is not very successful or effective.
I was angry because I played so badly.
我生气因为我弹得这么糟。
The whole project was badly managed.
整个项目管理得差劲。
If someone or something is badly hurt or badly affected, they are severely hurt or affected.
The bomb destroyed a police station and badly damaged a church.
炸弹炸毁了一个警察局,还严重毁坏了一座教堂。
One man was killed and another badly injured.
一男子死亡,另一个受重伤。
If you want or need something badly, you want or need it very much.
Why do you want to go so badly?
你为什么要这么急着走?
If someone behaves badly or treats other people badly, they act in an unkind, unpleasant or unacceptable way.
They have both behaved very badly and I am very hurt.
他们俩都很不友善,这令我很伤心。
If something reflects badly on someone or makes others think badly of them, it harms their reputation.
Teachers know that low exam results will reflect badly on them.
老师们知道低的考试成绩会对他们不利。
If a person or their job is badly paid, they are not paid very much for what they do.
You may have to work part-time, in a badly paid job.
你也许只能做个薪水低的兼职。