You know how to do your own thing, that's for darn sure.

But with enough calculations, they could be pretty darn sure of the probabilities.

The wily old fox was making darn sure he didn't leave any tracks.

She was pretty darn sure she could outrun a cattle truck.

You can be darn sure that I'm still going to be me on Fox News.

No doubt he had made darn sure of that.

He wanted to keep an eye on you and make darn sure Peyton wasn't found.

Ox teams are slow, Higgins, but they're darn sure.

I'm pretty darn sure Javad didn't get the way he was from eating a bad McBurger.

There are others to-day who are "not so darn sure!"

It's people talking to people, so you need to be darn sure you understand what's going on.

But they're pretty darn sure about when.

I wasn't so darn sure, said Anderson.

Course, if Scooter went that way, he ought to be darn sure he gets into Officer Training School.

You can be darn sure I didn't throw even one half glass of water into the sink in six months there.

Well, one thing was for sure, if Mom was the only judge left, I was going to make darn sure she stayed alive.