Sentence examples for is challenge from inspiring English sources

My debit-card P.I.N. is challenge enough.

Living together is challenge enough.

For me, completing one circuit is challenge enough.

What you try to do is challenge yourself".

And a big thing now is challenge races, or races where there are stories involved.

What I want to do is challenge the accepted boundaries of work.

The first one is "challenge," because we are a disruptive software company.

There is challenge in air as arresting as swastika on chimney of Cornell Medical Center.

It's a bleak picture, but where there is challenge, there is also innovation.

"What the arts do is challenge and ask questions - but they also provide comfort.

A CAPTCHA is challenge-response test placed within web forms to determine whether the user is human.