出差chū∥chāi 1.(机关、部队或企业单位的工作人员)暂时到外地办理公事{(of employees from a government department, enterprise or organization, or of servicemen) go on a business trip}: 去北京~{go on a business trip to Beijing}|出了一个月的差。{be on a business trip for a month} 2.出去担负运输、修建等临时任务。{be assigned a temporary transportation or building task away from one's normal work place}