在约定地点进行的正式决斗，通常以恢复或维护荣誉为目的。
"The duel was scheduled at dawn. 决斗定于黎明举行。"
"He challenged his opponent to a duel. 他向对手发起了决斗挑战。"
形容两个个体之间的对抗或竞争，通常是激烈的或生死攸关的。
"The two players engaged in a fierce duel on the court. 两名选手在球场上展开了一场激烈的对决。"
"A duel of minds between two chess champions. 两位国际象棋冠军之间的智力较量。"
任何形式的对峙或竞争，不限于身体战斗。
"The debate was a duel between colossi of rhetoric. 辩论是一场雄辩巨头之间的对决。"
"There was a duel of wits in the meeting. 会议上有一场智慧的较量。"
文化或历史上用于解决个人或群体之间冲突的仪式化战争形式。
"In medieval times, a duel could determine the fate of entire families. 在中世纪，决斗可以决定整个家族的命运。"
"Honorable duels have been part of history for centuries. 荣誉决斗已成为历史的一部分，持续了几个世纪。"