3 Respect forms people shy away from telling you, but it's good to know.
안녕하십니까? Hello! (very formal)
안녕! Hi! (very informal)
안녕히 계세요. Stay well! (Goodbye!)
안녕히 계십시오! Stay well! (Goodbye!) Very formal
안녕히 가세요. Go in peace! (Goodbye!)
안녕히 가십시오! Go in peace (Goodbye!) Very formal
잘 있어! Stay well! (very informal)
여보세요? Hello (on the telephone, also works in dark places)
다녀올께요! I'll be back!
다녀왔습니다! I'm back!
갔다올께요! I'll be right back!
만나서 반갑습니다. Nice to meet you.
반갑습니다. Nice to meet you.
처음 뵙겠습니다. Pleased to make your acquaintance.
배 고파요. I'm hungry.
배 불러요. I'm full.
잘 먹겠습니다. I will eat well (said before meals).
발 먹었습니다. I've eaten well (said after meals).