champ
单词辨析：
普通用词，强调用牙咬住、咬掉、把东西咬碎。
The dog bit that boy and made his leg bleed.
狗把那个小男孩的腿咬出血了。
He was bitten by a snake.
他被蛇咬伤了。
指嚼或吃食物时发出较大声响。
There he sat, happily champing his lunch.
他坐在那里，津津有味地吃着午餐。
The horses were champing their hay.
马在咔嚓咔嚓地咀嚼干草。
通常只用于 gnash your teeth 这一习语中，表示因愤怒或痛苦而咬牙切齿。
Seeing his enemy, he gnashed his teeth.
见到仇人，他把牙齿咬得格格作响。
指用力咬或啃一件东西，含有连续不断的意思。
The rats gnawed a hole in the box.
老鼠把箱子咬了一个洞。
The dog is gnawing on a bone.
狗在啃骨头。
相关例句：
And when his time is up, he retires like a real champ.
当他的时间到了的时候，他会像一个真正的冠军那样引退。
You just stepped into it with the champ.
你刚刚开始与拳王战斗。
That's because the champ is an artist, and he's the greatest showman on the planet.
就因为''冠军''是个艺术家，他是地球上最伟大的表演家。
You knew the champ would control the distance with his jab.
你知道拳王会用他的刺拳控制距离。
My god, I'm the new vault champ.
天啊，我是新的跳马冠军。
He had been, he said modestly, swimming champ at high school.
他谦逊地说，念中学时他曾经是游泳冠军。