be careful of your health or be careful with your health 有什么区别?

题目

be careful of your health or be careful with your health 有什么区别?
字典上两种说法都有啊?

答案

be careful of …
注意,小心 后接名词,动名词或从句.
be careful with …
小心 后接做的事情
举个例子区别一下：
Please be careful of your spelling.
Be careful with the wet floor.