GbEng
你傻了, 竟敢和重量级的拳击冠军寻衅闹事! It was foolish of you to pick a fight with a heavyweightboxing champion!
他不只是拳击手, 还是世界冠军呢. He's not a mere boxer: he's world champion.
夺标者如在拳击赛中与优胜者或冠军对抗的人， One who competes against the holder of a title or championship, as in boxing.
发起人安排这位年轻的拳击选手同一位更老练的拳击手比赛。 The promoters matched the young boxer with a more skillful fighter.