해외foreign country; overseas 해외여행overseas travel; trip abroad 외국foreign country 외국어foreign language 외국인foreigner 외출going out; outing 과외extra work 교외suburb; outskirts 교외out-of-school; off-campus 국외outside a territory

최고the highest; top 고등학교high school 고등학생high school student; high schooler 최고가the highest price; top price 최고급the highest grade; top-level 고교high school 고급high quality; high grade 고급반class for advanced learners; the highest-level class 고급품high-end product 고급화enhancement