Nantoka/노심초사nosimchosa노심초사 (nosimchosa) is a Korean word meaning “heavy cares; constant worry”.Meanings1heavy cares2constant worryPart of speechnounHanja勞心焦思Related words관심interest결심decision점심lunch점심시간lunchtime조심caution중심center열심히hard근로자worker과로overwork노동labor노동자worker피로tirednessStudy Korean with flashcards →