"I'm trying to challenge myself: How many references can we have in here?"

So does the fact that he is not trying to challenge a competitive world on his own.

Instead of trying to challenge nature, then, Bailey has learned to live with it, both inside his house and out.

She invited him to the lawyer's office, but he did not show up or try to challenge her in court.

Outraged prosecutors said today that they would try to challenge about 20 of the cases.

He began to try to challenge her-to force her to speak.

Chinese people continue to be arrested for trying to challenge government decisions (whether they are legal or not), even when using the law itself.

And trying to challenge the Democrats to do the same thing.

Most serious Democrat did not believe there was any sense in even trying to challenge him.

You just don't walk up to a group of kids and try to challenge them.