gladiator

1. N-COUNT In the time of the Roman Empire, a gladiator was a man who had to fight against other men or wild animals in order to entertain an audience. 角斗士

2. N-COUNT You can refer to an athlete or a performer as a gladiator in order to emphasize how brave or dangerous their actions are. 勇士[journalism]

This is an arena for gladiators only, for the Titans of the track. 这是个仅为勇士而且是仅为此行里的大力士勇士所设的竞技场。