how are you

so-so

그저 그래요

and you? (informal)

넌 어때?

yes, i'm fine

네, 잘 지냈어요

i'm sorry

미안해요

excuse me? (asking for something)

실례합니다

bad

안 좋아요

and you? (formal)

어떻게 지내세요?

how have you been?

어떻게 지냈어요?

long time no see (informal)

오랜만이야

long time no see (formal)

오랜만입니다

i didn't understand

이해를 못 했습니다

have you been well? (formal)

잘 지내셨어요?

i have been well (polite)

잘 지냈습니다

a little tired

좀 피곤한네요

good

좋아요

i'm sorry

죄송합니다