部長

head of a (government etc) department / section chief / section head / secretary / minister / CL:個|个[ge4],位[wei4],名[ming2]

ministry / department / section / part / division / troops / board / classifier for works of literature, films, machines etc

length / long / forever / always / constantly

chief / head / elder / to grow / to develop / to increase / to enhance

Defense secretary / Defense Minister

Minister of the Interior

minister of finance

minister of foreign affairs

Minister of Education / Director of Education Department

assistant (government) minister

minister level conference

minister level conference

minister level conference

ministerial level (e.g. negotiations)