Nantoka/사자성어sajaseongeoAdvanced사자성어 (sajaseongeo) is a Korean word meaning “four-character idiom”.Meanings1four-character idiomPart of speechnounHanja四字成語Related words사four사four사거리crossroads사계절four seasons사십forty사십forty사월April글자letter숫자number성공success성적record단어wordStudy Korean with flashcards →