/ˌri:ˈtreɪn ||; riˈtren/verb [I,T] retrain (sb) (as sth) to learn, or to teach sb, a new type of work, a new skill, etc ﹙接受﹚再培训: She retrained as a teacher. 她接受了教师再培训。Staff have been retrained to use the new technology. 为了使员工学会使用新技术，对他们进行了再培训。