Challenge

katsumus

(difficult task)

proovikivi

(difficult task)

takistatus

(judge's interest in the result of the case for which they should not be allowed to sit)

väljakutse

(that which encourages someone to do something they otherwise would not)

väljakutse

(difficult task)

vaidlustama

(to dispute something)

vastu vaidlema

(to dispute something)

välja kutsuma

(to invite someone to take part in a competition)

välja kutsuma

(to dare someone)

üles kutsuma

(to invite someone to take part in a competition)