Free lesson · Intermediate Korean

Correct Korean ≠ Natural Korean

Your sentence is grammatically perfect — and a Korean friend still smiles a little. That gap isn't grammar. It's nuance. Here are 7 textbook sentences next to what people actually say, and why.

GRAMMAR · NUANCE · REAL SPEAKING
Textbook: correct, but stiff Natural: what you'll actually hear
01

Asking someone's name

Textbook
당신은 이름이 뭐예요?
What is your name?
Natural
이름이 뭐예요?
What's your name?

Why: 당신 is in every dictionary as “you,” but in conversation it can sound cold or even confrontational. Koreans simply drop “you” — the context already says who you mean.

Level up: to someone older or a customer, say 성함이 어떻게 되세요?
02

Saying what you like

Textbook
저는 커피를 좋아합니다.
I like coffee.
Natural
커피 좋아해요.
I like coffee.

Why: in speech, Koreans drop the subject when it's obvious and often drop 을/를 too. And -습니다 belongs to presentations, the news and formal service — in a café chat it sounds like a speech.

03

“I don't know”

Textbook
몰라요.
I don't know.
Natural
잘 모르겠어요.
I'm not really sure.

Why: a bare 몰라요 can land as “No idea, not my problem.” Adding 잘 and -겠- turns it into “I'm not sure” — same information, much softer.

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04

“Got it”

Textbook
네, 이해했어요.
Yes, I understood.
Natural
아, 알겠어요.
Ah, got it. / OK, will do.

Why: 이해했어요 is for understanding an idea or explanation. When someone gives you instructions or a request, Koreans answer 알겠어요 — it means “understood” and “I'll do it” at once.

05

“Let's eat together”

Textbook
같이 먹읍시다.
Let us eat together.
Natural
같이 먹을래요?
Want to eat together?

Why: -(으)ㅂ시다 is fine for a group announcement, but said to someone older or senior it sounds like you're giving orders. Asking with -(으)ㄹ래요? (or simply 같이 먹어요) is the safe, friendly version.

06

Saying no to an invitation

Textbook
아니요, 저는 바쁩니다.
No, I am busy.
Natural
아, 오늘은 좀 바빠서요…
Ah, today I'm a bit busy, so…

Why: Koreans rarely open a refusal with 아니요. They soften it with 좀, give a reason with -아서/어서요, and let the sentence trail off. The unfinished sentence is the polite part.

Add one line to keep the door open: 다음에 같이 가요! — “Let's go next time!”
07

Showing empathy

Textbook
그것은 이해할 수 있습니다.
That can be understood.
Natural
그럴 수 있죠.
That's understandable. / Happens.

Why: 그것은 is written style, and the whole sentence sounds like a report. 그럴 수 있죠 is the everyday go-to for “I get it, no judgment.” With close friends: 그럴 수 있지.

Quick check: which one would a Korean say?

Answer in your head first, then tap.

A coworker says, “Please send the file by 3.” You reply…
네, 알겠어요. — instructions get 알겠어요, not 이해했어요.
Your manager invites you to dinner, but you can't go. You say…
아, 오늘은 좀 일이 있어서요… 다음에 꼭 같이 가요! — soften, give a reason, keep the door open.
A friend says they overslept and missed the bus. You say…
그럴 수 있지. — the casual empathy line between friends.