상하up and down 상수tap water 세상world 영상temperature above zero 탁상시계table clock 향상improvement; enhancement; progress 사상being in history 상good; top 상급반upper grades; higher grades 상급생senior student; upper classmen

감독supervision; oversight; inspection 감시surveillance; observation; watch 감옥prison 교감vice-principal 영화감독movie director 총감독general management; general manager; chief director 출감being released 감금confinement; imprisonment; detention 감독관supervisor; inspector; overseer 감리construction supervision