Inhalt: "When I listen to BTS's song, the words 'pumpkin seed' are in there. Why on earth is that in there?" "In BLACKPINK's song, when they miss someone, why are 'intestines' burning up?" Foreigners who like K-Pop and understand Korean lyrics to a certain degree might have seen the idioms and slang in the lyrics and tilted their head at these kinds of expressions. By presenting the idioms, four-character idioms, and slang hidden in K-Pop lyrics along with fun illustrations and example sentences, "100 Korean Idioms & Slang" was designed to help Korean-language learners at the intermediate level and above encounter and deeply understand Korean emotions and culture expressed in K-Pop lyrics, all while acquiring and having a command of various Korean expressions. Through simple quizzes and detailed explanations, this book allows readers to learn the origin and meaning of 50 idioms, 25 four-character idioms, and 25 slang words that appear in song lyrics, and helps them to understand K-Pop lyrics. Vivid descriptive examples and dialogues are presented for each expression, so you can practice and understand the context in which the expressions are used. Additionally, for each expression and example sentence, MP3 audio files of professional voice actors are provided via QR code, so you can check and follow along with the correct pronunciation and intonation.