专业
specialty; specialized field; main field of study (at university); major; CL:門|门[men2],個|个[ge4]; professional
转业
to change one's profession; to transfer to civilian work
专业性
professionalism; expertise
专业户
family firm producing a special product; cottage industry
专业教育
specialized education; technical school
中等专业学校
specialized middle school
中等专业教育
technical middle school education