Sentence examples for challenge were from inspiring English sources

But what if the challenge were inverted?

Antibody concentrations, cytokine production and protection against challenge were compared.

Those who accepted the challenge were given a Votomatic and one month.

The 7 citizens who brought the challenge were members of the Miss.

Key features of London Challenge were more academies and more autonomy for schools, he says.

Back then, even the contestants on University Challenge were allowed to smoke.

Preparations that failed to show a clear increase in activity during this challenge were discarded.

Compounding the challenge were the sport's high g forces and draining heat.

It would be bad enough if the challenge were just to keep the lights on.

For a number of students, the days leading up to the challenge were both busy and stressful.

The expression of P12A3C and its immunogenicity and protective efficacy against FMDV challenge were measured.