Mission officials held out hope that the polar lander's troubles might prove temporary.

Our trouble at the office proved it.

Her own troubles, it seems, ultimately have proved easier to resolve than the woes of the world.

Such trouble with the police proved to be one factor that caused the band to fall apart.

Then why trouble to prove anything a fact?

The trouble will be proving it on him.

The trouble with supernatural crimes is proving them in court.

I left the cooper's shop with Brianna, wondering just how much trouble this Hodgepile might prove to be.

I still might have some trouble proving I was at the tavern when the crime was committed.

"I don't think the Justice Department is going to have any trouble proving Microsoft is a monopoly."