Sentence examples for an challenging from inspiring English sources

We aimed to create awareness and better understanding of the complex interrelationship between institutional and learner's needs in an challenging open education eco-system that allows more people to gain access to education, regardless of their learning background.

"This is a challenge and an opportunity.

We met a challenge with a challenge.

A challenge is a challenge.

Showering is a challenge.

"Stamina is a challenge.

It remains a challenge.

Karzai's a challenge.

That's a challenge".

"It is a challenge".

This was a challenge.