중학교middle school 중학생middle-schooler 중간middle; midway 중심center 식중독food poisoning 중(no equivalent expression) 중간middle 중간시험midterm 중심center 중앙middle

군대military; troops 부대military camp 소방대원fire department 일대party; band; crowd; flock 입대joining an army; enlistment 제대discharge 탐험대expedition; party of explorers 특공대special forces 함대fleet 해병대marine corps

가장head of a household 부장department head; division head 사장president; chief executive 학교장principal 회장president 과장head; chief; director; supervisor 과장head; chief; manager 교장principal 교장실principal's office 반장head; chief