☆ ADVANCED LEVEL : 0 ☆☆ INTERMEDIATE LEVEL : 0 ☆☆☆ ELEMENTARY LEVEL : 0 NONE : 3 ALL : 3

• 수질 오염 (水質汚染) : 가정이나 공장 등에서 나오는 쓰레기나 폐수 등에 의하여 강이나 바다 등의 물이 더러워지는 현상. None
🌏 WATER POLLUTION: A phenomenon in which water of a river, sea, etc., becomes dirtier due to wastes or used water from homes and factories.

• 사정없이 (事情 없이) : 다른 사람의 형편이나 이유 등을 헤아려 주지 않고 아주 쌀쌀맞게. Adverb
🌏 WITHOUT MERCY: Coldly, rather than understanding the situation, reasoning, etc., of someone.

• 속절없이 : 어찌할 방법이 없이. Adverb
🌏 HOPELESSLY: Without a method of doing something.

• Expressing date (59) • Weekends and holidays (47) • Talking about one's mistakes (28) • Language (160) • Cultural differences (47) • Geological information (138) • Directions (20) • Environmental issues (226) • Sports (88) • Using public institutions (immigration office) (2) • Expressing time (82) • Human relationships (52) • Describing food (78) • Daily life (11) • Human relationships (255) • Education (151) • Describing clothes (110) • Describing personality (365) • School life (208) • Describing events, accidents, disasters (43) • Describing physical features (97) • Using public institutions (59) • Ordering food (132) • Science & technology (91) • Using a pharmacy (10) • Comparing cultures (78) • Inviting and visiting (28) • Using public institutions (library) (6) • Pop culture (82) • Health (155)