出身background; one's previous experience or occupation
坚hard; a heavily fortified point
开饭begin to serve a meal; serve a meal
班级classes and grades in school
确信firmly believe; reliable information
聘employ; visit a state as an envoy
订阅pay in advance to receive a newspaper, periodical, etc.
陌footpath between/among fields; roads
天津major city in north China and one of the four municipalities directly under the Central Government