n.敌手，对手，对立者，对抗者，敌人

原形：antagonist复数：antagonists

Eric hit upon a plan to defeat his antagonist.
埃里克突然想出了一个挫败他的对手的计划。
Tom's antagonist in the debate was quicker than him.
汤姆的辩论对手反应比他快。
Tony wants to defeat his antagonist.
托尼想要打败他的对手。
In the movie, the protagonist faces off against a cunning and ruthless antagonist.
电影中，主角与一个狡猾且残忍的对手对抗。
The antagonist in the novel is a complex character with motives that are revealed gradually throughout the story.
小说中的反派是一个复杂角色，其动机随着故事发展逐渐显露。
The antivirus software acts as an antagonist to the computer virus, preventing it from spreading.
杀毒软件充当了电脑病毒的对立面，阻止其传播。
In the play, the protagonist's best friend turns out to be the main antagonist due to jealousy.
在剧中，由于嫉妒，主角最好的朋友最终成为了主要的对手。
The new cancer treatment drug works by targeting the specific proteins that allow cancer cells to grow, acting as an antagonist to their progression.
新的癌症治疗药物通过靶向允许癌细胞生长的特定蛋白质起作用，对抗其发展。
The antagonist in the video game has a unique set of skills that make defeating them a real challenge for players.
电子游戏中的反派具有一套独特的技能，使玩家击败他们成为一个真正的挑战。
The muscle relaxant medication functions as an antagonist to the neurotransmitters that cause muscle contractions.
肌肉松弛药物作为神经递质的拮抗剂起作用，这些神经递质会导致肌肉收缩。
The environmental activist group often finds itself up against large corporations as the antagonists in their fight for conservation.
环保活动家团体在争取保护环境的斗争中，常常发现自己与大型企业作为对手。
In the psychological thriller, the true identity of the antagonist is kept hidden until the climactic ending, creating suspense.
在这部心理惊悚片中，反派的真实身份一直隐藏到高潮结局，营造出悬疑气氛。
The immune system recognizes allergens as antagonists and responds with an allergic reaction to protect the body.
免疫系统将过敏原识别为敌人，并通过过敏反应来保护身体。