"We have a big week here against a really good team, and it's a great challenge for us."

"That means we have a much greater challenge before us."

It would be a great challenge for the 21st century.

There is no greater challenge than taking care of children.

We are at a moment of great challenge in our history.

This was going to be a greater challenge than he had expected.

The word of Jesus had come to her as a great challenge.

America today is a nation with great challenges, but greater resources.

And that is the great challenge for the international community.

This was a great challenge for a small school that had little money.