It is a desperate chance, but the rewards are high.

Apparently Bill was determined to do so as a last desperate chance.

She was willing to take a desperate chance against a strong opponent.

He couldn't imagine them taking such a desperate chance otherwise.

I am taking desperate chances in sending it to you.

But it was the one desperate chance we had.

But it was necessary to take what seemed desperate chances.

It was a desperate chance, but their only one.

It was desperate-but right now, a desperate chance might be the only one he'd have.

There was a desperate chance that it could help her keep Zachary.