The new leaders at the ministry face a formidable challenge.

Yet, the most formidable challenge will be to train people to work in the information society.

The play is a formidable challenge to a director and cast.

It is a formidable challenge, but one that I am confident will be met.

But explaining why turns out to be a formidable challenge.

The team, which has an average age of nearly 36, will face some formidable challenges next week.

But they were definitely going to provide a formidable challenge.

And how can they be best prepared for the formidable challenges ahead?

Writing software to control its operations has been a formidable challenge.

Still, lawmakers say, the 654-page Senate bill is a formidable challenge.