to fight or compete with someone with great force, determination, and strength
to try harder in order not to let others outdo one
to be challenged by someone as equally good or slightly better than one
to agree to undertake a challenge
to challenge someone to a fight or competition
used to demonstrate confidence in one's skills and abilities when challenging someone
竞技场
新法规旨在为小企业创造一个更公平的竞争环境。
零和游戏
如果我们找不到合作的方法,情况可能会变成一场零和游戏,每一方都试图最大化自己的收益。
(in business, politics, etc.) a situation in which the competition is so fierce that everyone is willing to do whatever it takes to be successful, even if it means harming others