☆ ADVANCED LEVEL : 0 ☆☆ INTERMEDIATE LEVEL : 1 ☆☆☆ ELEMENTARY LEVEL : 1 ALL : 2

• 뒤 : 향하고 있는 방향의 반대쪽. ☆☆☆ Noun
🌏 BACK: The direction that is opposite of the one that someone or something is facing.

• 앞뒤 : 앞과 뒤. ☆☆ Noun
🌏 FRONT AND BACK; FORWARD AND BACKWARD DIRECTION: The front and back.

• Apologizing (7) • Using public institutions (library, post office, etc.) (8) • Using public institutions (immigration office) (2) • Travel (98) • Using the hospital (204) • Using a pharmacy (10) • Human relationships (255) • Weekends and holidays (47) • Press (36) • The arts (76) • Dietary culture (104) • Describing food (78) • Daily life (11) • Describing a dish (119) • Expressing time (82) • Pop culture (82) • Pop culture (52) • Environmental issues (226) • Weather and season (101) • Cultural differences (47) • Dating and getting married (19) • Using public institutions (library) (6) • School life (208) • Introducing (introducing family) (41) • Religion (43) • Science & technology (91) • Mentality (191) • Using transportation (124) • Geological information (138) • Expressing day of the week (13)