meydan okumak

to defy Fiil
to challenge Fiil
to stump Fiil
to outface a situation Fiil
to rattle one's sabre Fiil
to defy competition Fiil
to dare Fiil
to throw down the gauntlet to ... Fiil
to throw down the gauntlet against … Fiil
to throw down the glove to sb Fiil
to put someone on the spot Fiil
to ride for a fall Fiil