answers 1. 진짜야? [Jinjja-ya?] *Meaning: "Is it true?" / "Really?" *When to use: When you are surprised, shocked, or trying to confirm if something is true. *Breakdown: "진짜 (Jinjja)" means "real" or "true." "야 (ya)" is an informal ending used to ask a question in casual speech. *Example: A: "I saw a famous celebrity yesterday!" B: "진짜야?" (Really?) Tip: Use a surprised or curious tone to make it sound natural. 2. 뭐라고? [Mwora-go?] *Meaning: "What did you say?" / "What?" *When to use: When you didn’t hear something properly or are shocked by what someone said. *Breakdown: "뭐 (Mwo)" means "what." "라고 (rago)" is a quoting particle, meaning "did you say" or "are you saying." *Example: A: "You’re going to quit your job." B: "뭐라고?" (What did you just say?) Tip: Match your tone with the situation—use confusion, disbelief, or even frustration for the best effect. 3. 몰라! [Molla!] *Meaning: "I don’t know!" / "I have no idea!" *When to use: When you genuinely don’t know the answer or want to avoid giving an answer. *Breakdown: "모르다 (Moreuda)" is the verb "to not know." "몰라 (Molla)" is its informal conjugation, used in casual or emotional speech. *Example: A: "Where did you leave my book?" B: "몰라!" (I don’t know!) Tip: This phrase can sound playful, dismissive, or annoyed depending on your tone. It’s often used in casual and close relationships.