Books may also be challenged at a local, community level.

But suddenly to be challenged at every turn in the road!

The goal is to be able to challenge anything at all, not just items which are problems.

I don't know how many vote with their feet in going elsewhere, but few of them challenge us at home.

But no one cared to challenge him at that moment.

He heard somebody come in, challenged at the office for numbers and names.

He had challenged her, at last, with hiding something from him.

No one would challenge such a pilgrimage at this time.

Her skin was crawling, and she expected to be challenged at any moment.

It's not meant as a reading program but to challenge them at various levels.