Some of them were pretty tough to pick as I remember.
They guy would have looked pretty tough standing up, but not now.
Nothing happened, of course, since window glass is pretty tough stuff these days.
That must be a pretty tough thing to live with.
Germany in the late 1940s was a pretty tough place to call home.
In the north east, the economic situation is pretty tough but people are trying to be positive.
It gets pretty tough to figure out what you would eat.
The president of the company is a pretty tough man.
It was pretty tough to come into the team with the side 2-1 down and in those conditions.
I know that I'm a pretty tough person to beat.