例句：
I'm good at drawing.
我擅长绘画。
Running is good for your health.
跑步对你身体有好处。
He is very good with the children.
他与这些孩子处得很好。
Miss Li is very good/friendly to us student.
老师对我们学生非常好。
I'll be good, I swear!
我会听话的，我发誓！
