Commentary: job, trouble - a state or source of difficulty
She and her husband are having problems.
It is always a job to contact him.
Urban problems such as traffic congestion and smog are reason enough to move.
One problem after another delayed the job.
What's the problem?
WordNet 2.0 Sense Numbers: 1 2
Commentary: a question raised for consideration or solution
Our homework consisted of ten problems to solve.
WordNet 2.0 Sense Numbers: 3