☆ ADVANCED LEVEL : 0 ☆☆ INTERMEDIATE LEVEL : 0 ☆☆☆ ELEMENTARY LEVEL : 0 NONE : 1 ALL : 1

• 기밀문서 (機密文書) : 남이 절대로 알아서는 안 되는 아주 중요한 비밀 내용을 적은 문서. Noun
🌏 CLASSIFIED DOCUMENT: A document that contains very important confidential content that others must not know.

• Life in Korea (16) • Introducing (introducing oneself) (52) • Mentality (191) • Family events (57) • Religion (43) • Introducing (introducing family) (41) • Science & technology (91) • Expressing emotion/feelings (41) • Using public institutions (library) (6) • Inviting and visiting (28) • Using public institutions (post office) (8) • Describing personality (365) • Human relationships (255) • Using a pharmacy (10) • Expressing date (59) • Geological information (138) • Appearance (121) • History (92) • Comparing cultures (78) • Describing events, accidents, disasters (43) • Using the hospital (204) • Occupation & future path (130) • Cultural differences (47) • Architecture (43) • Philosophy, Ethics (86) • Hobby (103) • Describing food (78) • Hobbies (48) • Press (36) • The arts (23)