“Our biggest challenge this weekend will be for us to become mentally prepared for competition.”

“It has been a challenge bigger than any project I've attempted,”

“When you get to this level of wealth, business becomes a game or a challenge,”

“I look to win my age group. That's my challenge.”

“The challenge will be to bring more uranium production online to assure market balance.”

“They were just tiny little homeowner chainsaws. It was definitely a challenge at times.”

“He was very proud, and he was pretty excited and looking forward to the challenge.”

“This reexamination is concluded, but that doesn't mean this patent can't ever be challenged again.”

“There are unique challenges to do a security operation with another country literally in view.”

“I think all of our elementary schools have some challenges.”