Nantoka/공들다gongdeulda공들다 (gongdeulda) is a Korean word meaning “require effort”.Meanings1require effortPart of speechverbHanja功 들다Related words성공success성공적being successful성공적public공contribution공적accomplishment공로contribution대성공huge success대성공하다attain a great success은공favor and sacrifice공치사self-praise공덕good deed공들이다work hardStudy Korean with flashcards →