contester

Nous avons vu contester notre grande institution, contester la présidence et contester toutes nos valeurs.

Challenges of this great institution, challenges of the Chair, challenges of everything we stand for.

contester ou déjouer

challenge or thwart

contester la validité

to put the validity in issue

contester une décision

challenge a decision/to

contester la réclamation

dispute the claim

Pourquoi contester cela?

Why would you be opposed to that?