好词典
opponent
UK //əˈpəʊnənt//US //əˈpoʊnənt//
词源
源自拉丁语 'opponere'（意为‘反对’），由 ob-（对抗）和 ponere（放置）组成，16世纪进入英语。
noun
❶ 指在比赛、辩论或冲突中与你对抗的人或团体，通常带有竞争关系。
“He defeated his opponent in the chess match.”
（他在国际象棋比赛中击败了对手。）
“The politician debated with his opponent on live TV.”
（这位政治家在电视直播中与对手辩论。）
❶ 指反对某项政策、观点或提案的人，强调立场对立。
“Opponents of the new law protested in front of the parliament.”
（新法律的反对者在议会前抗议。）
“She has been a vocal opponent of nuclear energy for years.”
（多年来她一直是核能的公开反对者。）
同义词:rival, adversary, competitor
常见短语
political opponent — 特指在政治领域持对立立场或属于对立党派的竞争者。
“The president criticized his political opponents during the speech.”
（总统在演讲中批评了他的政治对手。）
worthy opponent — 形容值得尊敬的对手，强调对手的实力相当或具有挑战性。
“After the match, the champion praised his worthy opponent.”
（比赛结束后，冠军称赞了他可敬的对手。）