“It's nice to have a witness who is competent, who won't be challenged.”

“Times are difficult and challenging for the local workforce. We need to celebrate them.”

“It's tricky. It's a challenge when people haven't done that before.”

“They?re playing very well. They?re a challenge. It?s going to be a battle.”

“This is going to be the most challenging venue to date because there are so many variables.”

“It has been a challenge to say the least. Not just for us, but every school.”

“It was challenging. They are trying to build a self-contained city in a 24-month period.”

“The issue poses a major challenge as nobody seems ready to bite the bullet.”

“It's not just instant messaging, but other collaborative technologies are challenging email.”

“This is my first shot at coaching the boys and I'm looking forward to the challenge.”