tough proposition

I'm new to this neck of woods, but the major tells me that the Hatch crowd is a pretty tough proposition.

He's one of the best golfers in the state and a tough proposition to beat.

Winter's a tough proposition up here, but you want to fight shy of morbid brooding over things that can't be helped.

"You went up against a tough proposition when yon tackled me," continued the man.

My dear son Wilhelm tells Me that his own army has a tough proposition in front of it.