I have five children, so finding time to study was problematic at times.

But, he admits, the success of the school was problematic at the time.

This can be particularly helpful for coughs that are problematic at night.

Determining the exact center of anything can be problematic at best.

Attempting to meditate in such a state would be problematic at best.

Collection is more problematic, especially at times of poor connectivity to the central site.

The fact that most people would hesitate to answer makes the overall inflation figure problematic at best.

Command and control of the impis was problematic at times.

Whether such a market will materialize is problematic at this point.

"That would be very problematic at a time when the country is trying to climb out of recession."