간부executive; manager 간부진executives; management; leadership 간사administrative secretary; assistant administrator 간선main line; main road 근간root and stem 기간backbone; mainstay 기간산업key industries; basic industries 어간stem; base 재간knack 주간being chief; chief publisher; editor-in-chief

대부분most; bulk; majority 대부분mostly; largely 부분part 부장department head; division head 일부part; some; portion; fraction 전부everything 전부all 학부undergraduate; college 남부southern part 내부inside; interior

초급elementary level; beginning stage 초급반beginner's class 최고급the highest grade; top-level 특급special class; special rank; special grade 하급생junior student; underclassman 고급high quality; high grade 고급반class for advanced learners; the highest-level class 고급품high-end product 고급화enhancement 상급반upper grades; higher grades