He cast his gauntlet at his opponent during the debate.
Он бросил своему оппоненту вызов во время дебатов.
Definitionen
To 'cast (someone's) gauntlet' means to issue a challenge or provoke someone to a contest or confrontation. The phrase originates from the medieval practice of throwing down a glove (gauntlet) as a symbol of issuing a challenge to a duel.