Nantoka/구사gusaAdvanced구사 (gusa) is a Korean word meaning “competence”.Meanings1competencePart of speechnounHanja驅使Related words대사관embassy사용use천사angel대사ambassador행사exercise사용법direction for use사용자user구박abuse승승장구being on a fast track함흥차사hamheungchasa노사labor and management설사even ifStudy Korean with flashcards →