competitor

The Olympic competitor spent four years training for this single swimming event.

(Chinese) 这位奥运参赛者为了这一项游泳比赛训练了四年。

To stay ahead, the tech giant monitors every move of its main competitor in the chip industry.

(Chinese) 为了保持领先，这家科技巨头监控着其在芯片行业主要竞争对手的一举一动。