problem

The problem is ongoing.

the problem is not insoluble.

a problem in arithmetic

a problem child; problem customers.

understate a problem

the problem of soil erosion.

an imponderable problem of metaphysics.

the obstinate problem of unemployment.

chew a problem over.

The problem is too elaborate.

The drug problem is international.

The problem is ripe for settlement.

This problem will not work out.

an elementary problem in statistics.

a hypothetical problem

theorise about a problem

couldn't get the problem into focus.

the problem isn't exclusive to Dublin.

Solved problem number one, now to problem number two.

They call the problem " colony collapse disorder."

There are enough problems now without sin.

I've encountered this problem before, my lord.

Behavioral economists approached the problem a little differently.

There is also the problem of smog.

We haven't had any problems so far.

The government should squarely face the problem and take a down-to-earth attitude toward it.

We're having some problems with the budget.

But this isn't simply a both sides problem.