should know better than造句怎么写

She should know better than to poke the animal with her umbrella.

But two wrongs do not make a right. Mr. Martin, an honourable man, should know better than to stoop so low, especially while he is delivering homilies on civility.

You should know better than to behave like that.

Who should know better than I?

I should know better than believe in this erroneous idea that is deeply woven into all of the billions of dollars of advertising messages swirling around us.