Knows

An expert is someone who knows some of the worst mistakes that can be made in his field, and how to avoid them.

Hunger knows no law.

Having visited Rome many times, he knows it well.

Is there anybody who knows first aid?

Like knows like.

Someone who knows English well must have written this.

No one knows the real reason why we love dogs.

I think that everybody knows.

Mac knows how to use this computer.

When the boss checks our expenses it can be pretty dicey. He knows how to read between the lines.