왜 그런가요?
wae geureongayo?
Why is that? (polite).
Phrase in 30 Seconds
A gentle, polite way to ask 'Why?' without sounding blunt or demanding an explanation aggressively.
- Means: 'Why is that so?' or 'What is the reason for that?'
- Used in: Professional settings, talking to elders, or softening a curious inquiry.
- Don't confuse: With '왜 그래?' which is informal and can sound like 'What's wrong with you?'
Explanation at your level:
Signification
A polite way to ask for a reason or explanation.
Contexte culturel
In Korean companies, asking 'Why?' directly to a superior can be seen as 'daedeulda' (talking back). Using '왜 그런가요?' or '혹시 어떤 이유 때문인지 여쭤봐도 될까요?' (May I ask for what reason?) is essential for maintaining professional relationships. The use of '-ㄴ가요' reflects a 'soft' interrogative style. It is often used by women or in service industries to sound more kind and approachable, though it is used by all genders in professional settings. In KakaoTalk or business emails, '왜 그런가요?' is much preferred over '왜요?'. '왜요?' can look very blunt and even angry in text form without emojis. Students are encouraged to use this phrase when questioning a teacher's explanation. It shows that the student is engaged and respectful of the teacher's knowledge while seeking more depth.
The 'Nunchi' Move
If you want to sound even more polite, add '혹시' (hoksi - by any chance) at the beginning: '혹시 왜 그런가요?'
Watch Your Face
Because this phrase is polite, your facial expression should match. A neutral or slightly curious face is best. A scowl will make it sound sarcastic.
Signification
A polite way to ask for a reason or explanation.
The 'Nunchi' Move
If you want to sound even more polite, add '혹시' (hoksi - by any chance) at the beginning: '혹시 왜 그런가요?'
Watch Your Face
Because this phrase is polite, your facial expression should match. A neutral or slightly curious face is best. A scowl will make it sound sarcastic.
Softening with '이유'
Sometimes adding '이유가' (the reason) makes it even clearer: '이유가 왜 그런가요?' (What is the reason it's like that?)
Past Tense
If you are asking about something that already happened, use '왜 그랬나요?' (Why was it like that?)
Teste-toi
Choose the most appropriate and polite response to: '오늘 회의가 취소되었습니다.' (Today's meeting is canceled.)
A: 오늘 회의가 취소되었습니다. B: ________
'왜 그런가요?' is the correct polite form. '왜?' and '왜 그래?' are too casual, and '왜 그렇나요?' is grammatically incorrect.
Complete the sentence using the correct form of '그렇다' and the polite question ending '-ㄴ가요'.
갑자기 계획이 바뀌었는데, 왜 (____)?
The 'ㅎ' in '그렇다' drops when followed by '-ㄴ가요', resulting in '그런가요'.
Match the phrase to the correct situation.
Situation: You are asking your professor why your grade was lower than expected.
In a formal academic setting, '왜 그런가요?' is the most respectful way to ask for a reason.
Fill in the blank to make the dialogue natural and polite.
가: 저 오늘 좀 늦을 것 같아요. 나: 아, (____)? 무슨 일 있어요?
'왜 그런가요' fits perfectly as a polite, concerned inquiry in a standard social context.
🎉 Score : /4
Aides visuelles
Questions fréquentes
12 questionsYes, significantly. '왜요?' is the bare minimum of politeness. '왜 그런가요?' shows a higher level of social awareness and education.
You can, but it might sound a bit formal or like you are keeping your distance. Use '왜 그래?' for close friends.
'왜 그런가요?' asks about a situation/reason. '왜 그러세요?' asks about the person's behavior (e.g., 'Why are you acting like that?' or 'What's wrong?').
It becomes '왜 그랬나요?'. The '그러하다' changes to '그랬다' before adding the ending.
Absolutely. It is a very standard and professional way to ask for clarification in written Korean.
This is the 'ㅎ-irregular' rule. When an adjective stem ending in 'ㅎ' meets a suffix starting with a vowel or 'ㄴ', the 'ㅎ' often drops.
It's better to use '어디 아프세요?' (Are you sick somewhere?) or '안색이 안 좋으신데 왜 그런가요?' (Your complexion isn't good; why is that?).
The '-ㄴ가요' ending is often perceived as 'soft', but it is gender-neutral in professional and standard polite contexts.
Use '왜 그렇습니까?'. This is the highest level of formal speech (Hapsyo-che).
That means 'Do you know why it's like that?'. It's a different structure but related in meaning.
Yes, constantly! Especially in office dramas or when a character is trying to be respectful to a love interest's parents.
'어째서' is more like 'How come?' and is slightly more emphatic than '왜'.
Expressions liées
왜 그래요?
similarWhy is it so? / What's wrong?
왜 그렇습니까?
formalWhy is that so? (Very formal)
어째서인가요?
synonymHow come? / For what reason?
무슨 일인가요?
similarWhat is going on?
이유가 뭐예요?
builds onWhat is the reason?
어쩌다가 그렇게 됐나요?
specialized formHow did it end up like that?
Où l'utiliser
At the Office
Manager: 오늘 야근을 해야 할 것 같아요. (I think we need to work late today.)
Employee: 아, 네. 그런데 왜 그런가요? (Oh, I see. But why is that so?)
Coffee Shop
Barista: 죄송합니다, 지금 아이스 아메리카노는 안 됩니다. (Sorry, iced Americano is not available right now.)
Customer: 아, 그래요? 왜 그런가요? (Oh, really? Why is that?)
With a Teacher
Student: 선생님, 이 문법은 너무 어려워요. (Teacher, this grammar is too hard.)
Teacher: 이건 예외 규칙이라서 그래요. (It's because it's an exception rule.)
Student: 왜 그런가요? 특별한 이유가 있나요? (Why is it like that? Is there a special reason?)
Doctor's Office
Doctor: 이 약을 하루에 세 번 드셔야 합니다. (You must take this medicine three times a day.)
Patient: 네, 알겠습니다. 그런데 왜 그런가요? (Yes, understood. But why is that [necessary]?)
Texting a Friend (Polite)
Friend A: 나 오늘 못 갈 것 같아. (I don't think I can go today.)
Friend B: 갑자기 왜 그런가요? 무슨 일 있어요? (Why so suddenly? Is something wrong?)
Job Interview
Interviewer: 우리 회사는 복장이 매우 자유롭습니다. (Our company has a very free dress code.)
Candidate: 아, 정말요? 왜 그런가요? (Oh, really? Why is that so?)
Memorize It
Mnemonic
Think of 'Wae' as 'Why' and 'Geureon' as 'Green'. Why is the grass green? 'Wae Geureon-gayo?' (Why is it so?)
Visual Association
Imagine a person holding a magnifying glass over a puzzle piece, looking up at a teacher with a polite, curious smile. The magnifying glass represents the search for a reason ('Why'), and the smile represents the polite ending ('-gayo').
Rhyme
Don't be a foe, don't be low, just ask '왜 그런가요?' to know!
Story
You are at a fancy Korean palace. You see a guard wearing a bright pink uniform instead of red. You want to ask why, but you don't want to be arrested for being rude. You bow slightly and whisper, '왜 그런가요?' The guard smiles and explains it's a special holiday uniform. Politeness saved the day!
Word Web
Défi
Try to use '왜 그런가요?' instead of '왜요?' at least three times today when asking for information from a teacher, a boss, or even a ChatGPT prompt!
In Other Languages
¿Por qué es así?
Korean uses a specific 'softening' ending (-ㄴ가요) that Spanish lacks.
Pourquoi en est-il ainsi ?
The French equivalent is much more formal/stiff than the Korean one.
Warum ist das so?
German doesn't distinguish between 'polite why' and 'casual why' through verb endings.
どうしてですか?
Japanese often uses 'naze' for formal 'why', whereas Korean sticks to 'wae' but changes the ending.
لماذا هذا هكذا؟
Arabic relies on word choice rather than verb conjugation for politeness.
为什么会这样?
Chinese lacks the honorific system that dictates the ending of the sentence.
Por que é assim?
Korean's '-ㄴ가요' ending adds a layer of 'gentle inquiry' that Portuguese doesn't have a direct morpheme for.
How so? / Why is that?
English uses a different question word ('How') to achieve the softening effect.
Easily Confused
Learners think it's just a casual version of 'Why is that?'.
In casual speech, '왜 그래?' often means 'What's wrong with you?' or 'Stop acting like that!'. It's much more emotional than '왜 그런가요?'.
Learners use it as a default polite 'Why?'.
'왜요?' is polite but can sound short or defensive. '왜 그런가요?' is always safer and sounds more educated.
FAQ (12)
Yes, significantly. '왜요?' is the bare minimum of politeness. '왜 그런가요?' shows a higher level of social awareness and education.
You can, but it might sound a bit formal or like you are keeping your distance. Use '왜 그래?' for close friends.
'왜 그런가요?' asks about a situation/reason. '왜 그러세요?' asks about the person's behavior (e.g., 'Why are you acting like that?' or 'What's wrong?').
It becomes '왜 그랬나요?'. The '그러하다' changes to '그랬다' before adding the ending.
Absolutely. It is a very standard and professional way to ask for clarification in written Korean.
This is the 'ㅎ-irregular' rule. When an adjective stem ending in 'ㅎ' meets a suffix starting with a vowel or 'ㄴ', the 'ㅎ' often drops.
It's better to use '어디 아프세요?' (Are you sick somewhere?) or '안색이 안 좋으신데 왜 그런가요?' (Your complexion isn't good; why is that?).
The '-ㄴ가요' ending is often perceived as 'soft', but it is gender-neutral in professional and standard polite contexts.
Use '왜 그렇습니까?'. This is the highest level of formal speech (Hapsyo-che).
That means 'Do you know why it's like that?'. It's a different structure but related in meaning.
Yes, constantly! Especially in office dramas or when a character is trying to be respectful to a love interest's parents.
'어째서' is more like 'How come?' and is slightly more emphatic than '왜'.