3.(ancient Rome) a professional combatant or a captive who entertained the public by engaging in mortal combat.
（古罗马）一个为取悦观众而进行殊死搏斗的专业格斗者或俘虏。
4.A person, usually a professional combatant, a captive, or a slave, trained to entertain the public by engaging in mortal combat with another person or a wild animal in the ancient Roman arena.
格斗者，角斗士一个人，通常指一职业格斗者、俘虏或在古罗马圆形大剧场里的奴隶被培训与另一个人或一野兽进行殊死搏斗以供公共消遣
5.Jose Padilla was held for three and a half years as an enemy combatant once accused of being part of an al-Qaeda plot to detonate a dirty radioactive bomb.
荷西帕迪拉因参与基地组织阴谋引爆脏弹，被认作敌军战士被关押三年半。
6.After leaving British waters disguised as a merchant ship, the Alabama was outfitted as a combatant by supply ships and placed in commission on August 24, 1862.
阿拉巴马号伪装成商船从英国离开后，被补给船装备成战舰并于1862年8月24号正式使用。
