adversary
🇺🇸
/ˈædvərseri/
🇬🇧
/ˈædvəsəri/
an opponent or enemy in a conflict or competition
In the debate, she faced a skilled adversary who challenged her arguments effectively.
在辩论中,她面对一位技艺高超的对手,对方有效地挑战了她的论点。