결혼반지wedding ring 금반지gold ring 지도guidance; instruction 지도자leader; head 지시indication; gesture 지적indication 지정designation 지휘자# leader; head 굴지prominence 무명지ring finger

도입introduction 유도inducement; guidance; induction 지도guidance; instruction 지도자leader; head 계도guidance; enlightenment 교도correctional discipline; rehabilitation 교도관prison guard; prison officer; correctional officer; corrections officer 교도소prison; jail 도입부introduction 도체conductor

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