He's a talented athlete who competes nationally and internationally.

　　他是一位有才華的運動員，既參加國內比賽，也參加國際比賽。

　　They competed with skill and tenacity.

　　他們競爭靠的是技術和頑強意志。

　　Marx produced a new theory about historical change based upon conflict between competing groups

　　馬克思創立了一種新理論，認為歷史的演變是基于對立集團之間的沖突之上的。

　　Up to four players can compete in a virtual world of role playing

　　最多可以有4個玩家在一個虛擬世界中扮演角色互相拼殺。

　　We ask for a level playing field when we compete with foreign companies.

　　我們尋求一個能與外國公司公平競爭的環境。