Because I found a biggest opponent from this post - trip.

因为这次出差，我发现了一个最大的竞争对手。

youdao

Taekkyeon is a traditional Korean martial art that makes use of fluid, rhythmic dance-like movements to strike or trip up an opponent.

UNESCO: Intangible Cultural Heritage

McCain said Wednesday night that he is happy his likely general election opponent is considering a trip and that he believes that Obama would change his views on Iraq after spending some time there.

CNN: Obama considering trip to Iraq

Routed by Memphis and Houston to end their four-game road trip, the Nets quickly got back on track at home against an overmatched opponent.

WSJ: Nets rout Magic 97-77 for 8th straight home win