assignment/əˋsaInmənt; əˈsaInmənt/n [C,U] a job or piece of work that is given to someone 任务﹐工作﹔作业: Students have to do three written assignments. 学生要做三个书面作业。on assignment (=doing a job) 执行任务 He's on assignment in Russia at the moment. 目前他在俄罗斯执行任务。see box at见 UNIVERSITY 方框