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.