But we know to our cost how clever the Americans are.

As I know to my cost, any change in the health service is controversial.

It was a fatal attraction, as I knew to my cost.

This, as she knows to her cost, is often more trouble than it's worth.

We also know, to our considerable cost, that he has a brilliant mind.

She knew to her cost what happened when she did not.

It is no easy thing to deal with determined evil, as we all know to our cost.

As we all know to our cost, road traffic is increasing and with it air pollution.

But as you know to your cost, faces and voices can be ignored.

Fear can do that to you, as some of the girls present knew to their cost.