a person who attacks somebody, especially physically 攻击者；行凶者 Police have issued a description and an artist’s impression of the assailant. 警方已经发布了对袭击者的描述和艺术家的印象。 He was immune to the criticisms of his assailants. 他不受攻击者的批评。 The alleged assailants appeared in court. 据称袭击者出庭。