His firm determination to win in the competition against his rivals.
出自-2012年12月阅读原文
英语六级真题
Both may fail when confronting experienced rivals.
出自-2012年12月听力原文
So far, the main thing many large retailers have done in response to all this is to open online stores, so people will come to them directly rather than to Amazon and its smaller online rivals.
2019年6月六级真题（第一套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
N-COUNT
竞争者;对手;敌手
Your rival is a person, business, or organization who you are competing or fighting against in the same area or for the same things.