challenge

/t‍ʃˈælɪnd‍ʒ/

/ˈtʃæɫəndʒ/

to challenge

MAIN VERB

mettre au défi

to invite someone to participate in a contest; to strongly suggest that someone should do a certain thing, particularly when they seem unwilling

récuser

to object to the legality or rightness of something

Challenge

défi

a difficult and new task that puts one's skill, ability, and determination to the test

défi

an invitation that provokes or calls out someone to engage in a contest or an argument

Exemples

1. The modern painter's work challenges traditional forms and techniques.

2. The unexpected challenges became grist for the mill of their problem-solving skills.

3. German grammar can be challenging for new learners.

4. My sister finally accepted the challenge to run a marathon.