• Expressing gratitude (8) • Hobbies (48) • Politics (149) • Using public institutions (library, post office, etc.) (8) • Introducing (introducing oneself) (52) • Science & technology (91) • Using transportation (124) • Using a pharmacy (10) • The arts (23) • Life in the workplace (197) • Religion (43) • Human relationships (255) • Expressing day of the week (13) • Pop culture (52) • Social system (81) • Dietary culture (104) • Life in Korea (16) • Inviting and visiting (28) • Making a phone call (15) • Exchanging personal information (46) • Family events (57) • Travel (98) • History (92) • Philosophy, Ethics (86) • Geological information (138) • Pop culture (82) • Talking about one's mistakes (28) • Climate (53) • Describing food (78) • Describing clothes (110)