Of the state's six Representatives, three are likely to face tough challenges this year.

Don't we need a new hero for today's tough challenges?

I know that this is a tough challenge and we need to keep up the pressure to get credit flowing again to business.

I was ready to devote four years to a tough new challenge.

For all the work that has been done, tough challenges remain.

Design really tough challenges and then program your robot to meet them.

"It is a very tough challenge to your mind, freedom," he added.

"It will be a tough challenge to find someone to earn the respect of the community the way he has," she said.

If you're doing well as a team, expect more enemies and a tougher challenge.

The Government also faces a number of tough social challenges.