competitor和opponent的区别

competitor
One that competes with another, as in sports or business; a rival.
竞争者：指与他人竞争的人，如在体育或商业上；对手
opponent
One that opposes another or others in a battle, contest, controversy, or debate.
对手：在争论、辩论、战争、对抗或其它口头论战中反对对方或其他人的人