Surprisingly: -다니 (Wait, really?)
-다니 to react with shock, disbelief, or admiration to a fact you just heard or realized.
Grammar Rule in 30 Seconds
Use -다니 to express shock, disbelief, or surprise about a fact you just learned or recalled.
- Attach -다니 to the verb/adjective stem (present tense). Example: 가다니 (Going? Really?)
- Use -었다니 for past tense events. Example: 먹었다니 (You ate it? Really?)
- Use -라니 for imperative/command quotes. Example: 가라니 (You said go? Really?)
Overview
Korean grammar possesses sophisticated mechanisms for expressing not just facts, but also the speaker's emotional stance or reaction to those facts. The pattern -다니 (read as "dani") serves this crucial function at the B1 intermediate level. It signifies surprise, disbelief, astonishment, or sometimes even dismay or admiration, in response to new information or a newly perceived reality.
Essentially, it translates to phrases like "To think that...", "I can't believe that...", "It's surprising that...", or in more casual contexts, "Wait, really?" The core function of -다니 is to mark a statement as something that has genuinely caught the speaker off guard, requiring an immediate emotional processing.
Unlike a simple factual statement, -다니 imbues the reported content with the speaker's internal state. For instance, 비가 온다 (It's raining) is a neutral observation. However, 비가 온다니... conveys your surprise or even slight annoyance that it's raining, implying a reaction like "To think it's raining (when I didn't expect it)." This pattern is fundamental for expressing nuanced emotional responses in Korean conversations, reflecting a discrepancy between your expectations and the new reality.
It is not merely a reporting mechanism; it is a declaration of personal impact.
How This Grammar Works
-다니 is a contracted form derived from -다고 하니. Here, -다(고) is the quotative particle, used for reporting speech or thoughts, and -니 is an abbreviated form of the connective ending -으니까 or -으니, which indicates a reason or basis. Therefore, -다고 하니 literally means "seeing as it is said that..." or "because (I heard/realized) that...".-다니, you are not just relaying a fact; you are using that fact as the basis for your emotional reaction. The surprise stems from a contrast: what you just learned or realized ([X]다니) contradicts your prior assumption, expectation, or knowledge. This makes the newly presented information the cause of your emotional state.- As a clause within a larger sentence: In this case,
-다니introduces the surprising information, and the main clause states the speaker's consequent emotional reaction or action. For example,그가 일등을 했다니 믿을 수가 없어요.(To think he came in first, I can't believe it.) Here,그가 일등을 했다니sets up the reason for믿을 수가 없어요. - As a sentence-ending exclamation: When
-다니concludes a sentence, the emotional reaction is left implicit but strongly felt, often conveyed through tone. For instance,네가 여기까지 걸어왔다니!(To think you walked all the way here!) implies surprise, admiration, or concern without explicitly stating it.
-다니 lies in its efficiency; it encapsulates both the information and the speaker's immediate, often strong, response in a single grammatical unit. Mastering this pattern allows you to express genuine human reactions that go beyond simple declarative statements.Formation Pattern
-다니 largely follows the Korean plain form (non-polite, declarative) conjugations for different verb types and tenses, with the addition of -니.
V-ㄴ다니 | 가다 (to go) → 간다니 (To think you're going...) |
V-는다니 | 먹다 (to eat) → 먹는다니 (To think you're eating...) |
Adj-다니 | 예쁘다 (to be pretty) → 예쁘다니 (To think it's pretty...) |
좋다 (to be good) → 좋다니 (To think it's good...) |
이다 (for Nouns) | | |
N-라니 | 의사 (doctor) → 의사라니 (To think he's a doctor...) |
N-이라니 | 학생 (student) → 학생이라니 (To think he's a student...) |
그가 밤새 게임만 했다니 믿을 수 없어. (To think he only played games all night, I can't believe it.)
이렇게 춥다니 겨울이 다시 온 것 같아요. (To think it's this cold, it feels like winter has returned.)
네가 회사의 사장이라니 정말 놀랍다. (To think you're the company president, that's truly amazing.)
-았/었-) and then append -다니.
V/Adj/N-았/었다니 | 가다 (to go) → 갔다니 (To think you went...) |
예쁘다 (to be pretty) → 예뻤다니 (To think it was pretty...) |
학생이다 (to be student) → 학생이었다니 (To think he was a student...) |
벌써 그 영화를 봤다니 정말 빠르네요. (To think you've already seen that movie, you're really fast.)
그때 그렇게 힘들었다니 왜 말 안 했어? (To think it was so hard back then, why didn't you say anything?)
-(으)ㄹ 거라니.
V/Adj/N-(으)ㄹ 거라니 | 하다 (to do) → 할 거라니 (To think you'll do it...) |
좋다 (to be good) → 좋을 거라니 (To think it'll be good...) |
학생이다 (to be student) → 학생일 거라니 (To think he'll be a student...) |
내일 또 야근을 할 거라니 믿을 수 없어요. (To think I'll be working overtime again tomorrow, I can't believe it.)
다음 달에 비행기 값이 더 비쌀 거라니 지금 예약해야겠어요. (To think plane tickets will be more expensive next month, I should book now.)
-다니. For instance, 듣다 (to listen) becomes 듣는다니 (present) or 들었다니 (past). 만들다 (to make) becomes 만든다니 (present) or 만들었다니 (past).
When To Use It
-다니 is deployed when you encounter information that significantly deviates from your expectations, sparking a strong emotional or intellectual reaction. It’s an expression of your internal processing of an unexpected reality. Here are key situations for its use:- Expressing Strong Disbelief or Shock: This is the most common application, whether the news is good or bad. The information is so surprising that you need a moment to process it.
네가 그 어려운 시험에 합격했다니? 말도 안 돼!(You passed that difficult exam? Unbelievable!)그 식당이 벌써 문을 닫았다니 정말 아쉬워요.(To think that restaurant already closed, I'm really disappointed.)
- Showing Admiration or Amazement: When something is unexpectedly impressive or exceeds your estimations.
혼자서 이 많은 일을 다 해냈다니 대단하다!(To think you managed to do all this by yourself, that's amazing!)그 어린 학생이 벌써 책을 썼다니 놀라워요.(To think that young student already wrote a book, it's astonishing.)
- Conveying Annoyance, Frustration, or Absurdity: When a situation or a statement feels unreasonable or goes against common sense.
이런 중요한 날에 지각을 하다니 용납할 수 없어!(To think you're late on such an important day, it's unacceptable!)나한테 이런 일을 시키다니 말이 됩니까?(To think you're making me do this, does that make sense?)
- Providing a Reason for an Emotional State (Mid-sentence): When
-다니is used in the middle of a sentence, it explicitly sets up the preceding surprising fact as the cause of the subsequent emotion or action. 친구가 결혼한다니 믿을 수 없으면서도 기뻐요.(To think my friend is getting married, I can't believe it but I'm also happy.)그렇게 비싸다니 저는 살 엄두가 안 나요.(To think it's so expensive, I can't even dream of buying it.)
- Rhetorical Questions/Statements (Implying an unstated reaction): Often, especially in casual speech or writing,
-다니is used at the end of a sentence to imply a question or an emotional reaction without stating it directly. The context and tone fill in the blanks. 겨우 그걸 가지고 생색을 낸다니...(To think he's making a big deal out of just that... [implied: it's ridiculous/annoying]).아직도 숙제를 안 했다니?!(To think you still haven't done your homework?!) - This often functions as an exasperated question.
- Reaction to Directly Perceived Information: While rooted in reported speech,
-다니is frequently used when reacting to something you directly observe or realize yourself. The nuance shifts to "To think that [I just observed/realized]..." or "It turns out that... and it's surprising." - (Seeing someone eat a lot)
정말 많이 먹는다니 배가 안 불러요?(To think you eat so much, aren't you full?)
-다니 highlights a cognitive dissonance – a gap between what you expected and what is actually happening. It's a fundamental tool for expressing genuine human reactions to the unpredictable nature of life and interactions.Common Mistakes
-다니 by overlooking its inherent emotional and reactive core. Understanding these common pitfalls can significantly refine your usage:- Using for Neutral Reasons/Causes: The most frequent error is employing
-다니for a simple, non-emotional cause-and-effect relationship. If there's no element of surprise, disbelief, or strong emotion,-다니is inappropriate. Use-(으)니까,-아서/어서, or-(으)면for neutral reasons or conditions. - Incorrect:
비가 온다니 우산을 가져가세요.(To think it's raining, please take an umbrella. - Sounds surprised/annoyed about rain while giving a neutral command.) - Correct (Neutral Reason):
비가 오니까 우산을 가져가세요.(Because it's raining, please take an umbrella.) - Correct (Surprise + Command):
밖에 비가 온다니! 우산을 가져가야겠네요.(To think it's raining outside! I guess I should take an umbrella.)
- Incorrect Noun Conjugation: A common oversight for beginners is forgetting the
이for consonant-ending nouns. Remember the copula이다(to be) rule. - Incorrect:
그 사람이 학생다니 놀라워요. - Correct:
그 사람이 학생이라니 놀라워요.(To think that person is a student, it's surprising.)
- Applying to One's Own Planned Actions or Well-Known Facts:
-다니expresses a reaction to new, often external, information. You don't typically surprise yourself with your own pre-planned actions or facts you already know well. It's about a revelation or unexpected report. - Incorrect:
내가 내일 한국에 간다니 너무 기뻐.(Unless you genuinely forgot and just realized you're going, this sounds unnatural.) - Correct:
친구가 내일 한국에 간다니 너무 놀라워.(To think my friend is going to Korea tomorrow, I'm so surprised.)
- Confusion with Simple Reported Speech (
-다고 하다): While related,-다니adds the critical layer of the speaker's emotional reaction.-다고 하다merely reports what was said. 그가 괜찮다고 했어요.(He said he was okay. - Neutral report.)그가 괜찮다니 다행이다.(To think he's okay, what a relief! - Expresses relief/surprise.)
- Omitting the Implied Reaction in Formal Contexts: While
...다니!is perfectly acceptable in casual conversation or texting, in more formal written contexts or polite speech, ending a sentence abruptly with-다니can sound incomplete or overly emotional without a follow-up clause. - Casual:
벌써 시간이 이렇게 됐다니!(To think it's already this late!) - Formal/Polite:
벌써 시간이 이렇게 됐다니 믿기지 않습니다.(To think it's already this late, I can't believe it.) Or:벌써 시간이 이렇게 됐다니 놀랍습니다.(To think it's already this late, it's astonishing.)
- Lack of Politeness (when necessary):
-다니itself is a plain form ending. When speaking to someone who requires politeness, especially at the end of a sentence, you generally need to add a polite ending, often요to form~다니요?for a questioning or disbelieving tone, or embed it in a polite full sentence. - To a senior colleague:
이 프로젝트가 취소됐다니?(This project was canceled? - Sounds a bit abrupt.) - Better:
이 프로젝트가 취소됐다니요? 믿을 수가 없습니다.(The project was canceled? I can't believe it.)
Real Conversations
-다니 is pervasive in both spoken and written Korean, reflecting how integral emotional reactions are to daily communication. Its usage varies subtly depending on the formality and medium.
1. Casual Conversation (해체):
In informal settings, like chatting with friends, family, or in text messages, -다니 often appears as a short, emphatic exclamation, sometimes followed by other exclamatory particles or internet slang.
- Friend 1: 야, 민수 드디어 취직했대! (Hey, Min-su finally got a job!)
- Friend 2: 민수가 취직했다니?! 대박! 축하해줘야겠다! (Min-su got a job?! Awesome! I have to congratulate him!)
- Friend 1: 오늘 시험 망했어... (I bombed the exam today...)
- Friend 2: 네가 시험을 망쳤다니? 말도 안 돼. 늘 잘했잖아. (You messed up the exam? No way. You always did well.)
2. Polite Conversation (해요체/합니다체):
When addressing acquaintances, superiors, or in public settings, -다니 is typically part of a longer, politely concluded sentence, or combined with 요 to form ~다니요? when expressing polite disbelief or asking for confirmation.
- Colleague A: 부장님께서 직접 이 일 맡으셨대요. (They say the department head took on this task personally.)
- Colleague B: 부장님께서 직접 맡으셨다니 정말 감사드립니다. (To think the department head took it on personally, I'm truly grateful.)
- Student: 선생님, 오늘 숙제가 없다고 하셨죠? (Teacher, you said there was no homework today, right?)
- Teacher: 숙제가 없다니요? 제가 언제 그랬죠? 숙제 있습니다. (No homework? When did I say that? There is homework.)
3. Social Media & Headlines:
On social media platforms or in news headlines, -다니 is used to capture public sentiment of surprise, shock, or indignation, often creating a sense of shared reaction.
- Social Media Post: 최애 그룹이 해체라니... 내 세상이 무너졌다 ㅠㅠ (My favorite group disbanded... my world has crashed ㅠㅠ)
- News Headline: OO그룹 회장, 회사 돈 횡령이라니 충격! (Chairman of OO Group embezzled company money, shock!)
4. Internal Monologue / Expressing Frustration:
It's also common to use -다니 as if speaking to oneself, reflecting an internal thought process or exasperation, even when others are present. This often implies an unstated negative reaction.
- (After a long meeting) 벌써 두 시간이나 지났다니... 할 일은 아직 많은데. (To think two hours have already passed... I still have so much to do.)
- (Seeing a friend making a mistake) 같은 실수를 또 하다니... (To think he's making the same mistake again... [implied: how frustrating/annoying]).
Understanding these contextual nuances allows you to use -다니 effectively to convey complex emotional layers, just like a native speaker.
Quick FAQ
- Q1: Can
-다니be used in questions? - A: Yes, absolutely. When combined with the interrogative ending
요(or implied까),~다니요?(다니 + 요) is a very common way to express polite disbelief, surprise, or to question the veracity of something you just heard. For example,그가 결혼한다니요?(He's getting married?!) implies both a question and surprise.
- Q2: What's the main difference between
-다니and simply-다고 하다? - A:
-다고 하다is a neutral form for reporting speech or facts. It merely states that something was said or that something is true.-다니, however, carries the additional layer of the speaker's emotional reaction – surprise, disbelief, admiration, or frustration – to the reported or perceived fact. It's the difference between stating a fact and reacting to it personally. Compare:친구가 한국에 갔다고 해요.(My friend said he went to Korea.) vs.친구가 한국에 갔다니! 믿을 수가 없어요.(To think my friend went to Korea! I can't believe it.)
- Q3: Can
-다니follow imperative (commands), propositive (suggestions), or interrogative (questions) forms? - A: While
-다니most naturally follows declarative statements (which report a fact), it can appear after other forms if you are expressing surprise or disbelief about the idea of a command, suggestion, or question. However, the exact meaning shifts. For example: - After a command:
지금 가라니?(To think you're telling me to go now?) - expressing surprise at the command itself. - After a suggestion:
내일 영화를 보자니?(To think you're suggesting we watch a movie tomorrow?) - surprise at the suggestion. - After a question:
그게 뭐냐니?(To think you're asking what that is?) - surprise that such a question is being asked.) - For B1 learners, focus primarily on its use with declarative statements as a reaction to a fact, as this is its most common and straightforward application.
- Q4: Is
-다니more common in spoken or written Korean? - A:
-다니is highly prevalent in both spoken and written Korean. In speech, it's a natural way to voice immediate reactions. In writing, especially in narratives, essays, or online content, it effectively conveys the author's or a character's internal surprise or judgment, often replacing a lengthy description of emotion.
Formation of -다니
| Type | Present | Past | Noun/Command |
|---|---|---|---|
|
Verb
|
간다니
|
갔다니
|
가라니
|
|
Adjective
|
예쁘다니
|
예뻤다니
|
-
|
|
Noun
|
-
|
-
|
학생이라니
|
Meanings
This pattern expresses the speaker's surprise, disbelief, or emotional reaction to a fact or situation.
Pure Surprise
Expressing shock at a new fact.
“시험에 합격했다니 정말 놀라워요!”
“그렇게 비싸다니 말도 안 돼.”
Disbelief/Indignation
Expressing frustration or questioning a command.
“내가 그걸 하라니요?”
“지금 나가라니 너무하네요.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Stem + -다니
|
비싸다니!
|
|
Past
|
Stem + -었다니
|
먹었다니!
|
|
Command
|
Stem + -라니
|
오라니!
|
|
Noun
|
Noun + -(이)라니
|
선물이라니!
|
|
Negative
|
안 + Stem + -다니
|
안 간다니!
|
|
Question
|
Stem + -다니요?
|
가다니요?
|
|
Adjective
|
Adj + -다니
|
멀다니!
|
Formality Spectrum
떠나신다니요? (Surprise at someone leaving)
떠난다니요? (Surprise at someone leaving)
떠난다니? (Surprise at someone leaving)
떠난다고? (Surprise at someone leaving)
The -다니 Emotion Map
Reaction
- 놀라움 Surprise
- 믿기지 않음 Disbelief
Context
- 뉴스 News
- 명령 Command
Examples by Level
정말 비싸다니!
So expensive! Really?
오늘이 휴일이라니!
Today is a holiday? Really?
그가 왔다니!
He came? Really?
맛있다니!
It's delicious? Really?
그 사람이 거짓말을 했다니요?
You mean he lied?
벌써 끝났다니 믿기지 않아요.
I can't believe it's already finished.
내일이 시험이라니!
Tomorrow is the exam? Really?
그렇게 춥다니 몰랐어요.
I didn't know it was that cold.
그걸 지금 말하다니 너무하네요.
It's too much that you're telling me this now.
우리가 1등을 했다니 꿈만 같아요.
It feels like a dream that we won first place.
그가 사과를 했다니 놀라워요.
I'm surprised he apologized.
이게 다 공짜라니 대박이다!
This is all free? Awesome!
그가 그런 결정을 내렸다니 이해할 수 없습니다.
I cannot understand how he made such a decision.
상황이 이렇게까지 악화되었다니 안타깝습니다.
It is regrettable that the situation has deteriorated to this point.
그녀가 그 사실을 숨겼다니 배신감이 드네요.
I feel betrayed that she hid that fact.
이 프로젝트가 성공했다니 믿기 어렵군요.
It is hard to believe that this project succeeded.
그토록 오랫동안 진실을 은폐했다니 경악을 금치 못하겠군요.
I cannot help but be shocked that they concealed the truth for so long.
그가 그런 무모한 도전을 감행했다니 정말 대단한 사람입니다.
He is truly an amazing person to have undertaken such a reckless challenge.
우리가 이토록 비효율적인 시스템을 유지해왔다니 통탄할 노릇입니다.
It is lamentable that we have maintained such an inefficient system for so long.
그가 자신의 잘못을 인정했다니 놀라울 따름입니다.
It is nothing short of surprising that he admitted his mistake.
역사의 수레바퀴가 이토록 잔인하게 돌아갔다니 숙연해질 뿐입니다.
I can only feel solemn thinking about how the wheels of history turned so cruelly.
인간의 욕망이 이토록 끝이 없다니 새삼 깨닫게 됩니다.
I am newly realizing that human desire is truly endless.
그가 그 모든 고난을 홀로 감내했다니 존경심이 우러나옵니다.
I feel a sense of respect thinking that he endured all those hardships alone.
이토록 정교한 예술품이 수천 년 전에 만들어졌다니 경이롭습니다.
It is marvelous that such a sophisticated work of art was created thousands of years ago.
Easily Confused
Both involve quoting.
Common Mistakes
먹다니요?
먹는다니요?
가라니요 (for a fact)
간다니요
예쁘다니요 (past)
예뻤다니요
그가 했다니 (formal)
그가 했다니요
Sentence Patterns
___라니 믿을 수 없어요.
Real World Usage
오늘 휴강이라니 대박!
Add -요
Smart Tips
Use -다니요 for extra emphasis.
Pronunciation
Intonation
The intonation should rise at the end to show surprise.
Rising
그게 사실이라니↗?
Genuine shock
Memorize It
Mnemonic
Think of '다니' as 'Darn-y!' (Darn, really?) when you are shocked.
Visual Association
Imagine a person with their jaw dropped, holding a sign that says '다니!'.
Rhyme
When you hear a fact that makes you sigh, just add the ending -다니.
Story
You walk into a room. Your friend says 'I quit my job.' You gasp and say 'Quit? (그만뒀다니!)'. Then they say 'I'm moving to Mars.' You say 'Mars? (화성에 가다니!)'.
Word Web
Challenge
For the next 24 hours, whenever you hear something surprising, say '...다니!' in your head.
Cultural Notes
Koreans use this to show they are listening actively.
Derived from the contraction of -다고 하니 (because it is said that...)
Conversation Starters
오늘 날씨가 정말 춥죠?
Journal Prompts
Common Mistakes
Test Yourself
그가 ___ (가다) 놀랐어요.
Score: /1
Practice Exercises
1 exercises그가 ___ (가다) 놀랐어요.
Score: /1
Practice Bank
12 exercises혼자 다 ___ 배탈이 날 거야.
커피가 2만원이라니, 너무 ___.
Select the correct form:
여기가 우리 학교라니 믿기지 않아.
아침이라니 / 벌써 / !
Pair the words correctly.
그 사실을 ___ 믿을 수 없어.
Select the form meaning 'To think it will rain...'
이게 나를 위한 선물다니 감동이야.
시험에 ___ 정말 축하해!
Choose the one that is NOT `-다니` usage.
말하지 마 / 헤어진다니 / 그런 말 / .
Score: /12
FAQ (1)
Yes, if you are surprised at your own actions.
Scaffolded Practice
1
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
¡Que + verb!
Korean uses a verb suffix.
Tu dis que...?
Korean is more concise.
Dass...!
Korean is a suffix.
～だなんて
Korean is more common.
حقاً؟
Korean is a suffix.
竟然...
Korean is a suffix.
Learning Path
Prerequisites
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Related Grammar Rules
No choice but to... (-ㄹ/을 수밖에 없다)
Overview The Korean grammar pattern `-(으)ㄹ 수밖에 없다` is a powerful expression of inevitability. It conveys that du...
Present Progressive: -ing (고 있다)
Overview Korean, like English, distinguishes between habitual or general actions and actions that are actively in progre...
To the Absolute Max: (-ㄹ/을 대로)
Overview Korean grammar employs `-(ㄹ/을) 대로` to express that a state or action has reached its absolute **utmost limi...
Just/Only: Emphatic Limitation (-ㄹ/을 뿐이다)
Overview At the B2 CEFR level in Korean, you're moving beyond basic sentence construction to express nuanced ideas, subt...
Logically Likely: -ㄹ/을 법하다
Overview `-(으)ㄹ 법하다` is a Korean grammar pattern that expresses a logical likelihood, plausibility, or reasonable e...
