1 [C] an organized event in which people try to win sth 竞赛；比赛: to go in for/enter a competition 参加比赛 They hold a competition every year to find the best young artist. 他们每年举行竞赛，评出最佳的青年艺术家。 He came second in an international piano competition. 他在一次国际钢琴比赛中夺得第二名。

2 [U] a situation where two or more people or organizations are trying to achieve, obtain, etc the same thing or to be better than sb else 竞争: He is in competition with three other people for promotion. 他要与三名对手角逐晋升机会。 There was fierce competition among the players for places in the team. 运动员为了角逐成为队中选手，竞争非常激烈。

3 the competition [sing] [with.sop] the other people, companies, etc who are trying to achieve the same as you 竞争对手: If we are going to succeed, we must offer a better product than the competition. 我们想要成功，就必须能够提供比竞争对手更好的产品。