1、 Keen competition for first place、为竞争第一名激烈角逐。

2、 Competition among youths to enter the best colleges is intense、年轻人想进一流大学的竞争是很激烈的。

3、 He takes part in a swimming competition、他参加游泳比赛。

4、 I entered a chess competition and finished third、我参加了象棋比赛名列第三。

5、 He was in competition with 10 others for the job、为得到这份工作他与10个人展开竞争。