A1 Idiom तटस्थ

입이 짧다

ibi jjalpda

mouth is short

Phrase in 30 Seconds

Use '입이 짧다' to describe someone who eats very little or is very picky about what they eat.

  • Means: Having a small appetite or being a selective/picky eater.
  • Used in: Casual dining situations or when describing someone's personality.
  • Don't confuse: It's not about the physical size of the mouth.
👄 + 📏 (Short) = 🥗 (Small/Picky Meal)

Explanation at your level:

This phrase is very simple. '입' means mouth. '짧다' means short. Together, they mean you don't eat much food. You can use it to say 'I am a picky eater.' It is a very useful phrase when you go to a Korean restaurant with friends.
At this level, you should know that '입이 짧다' is an idiom. It doesn't mean your mouth is physically small. It means you have a small appetite or you only like certain foods. You can conjugate it as '입이 짧아요' or '입이 짧아서'. It's a polite way to explain why you are leaving food on your plate.
This idiom is essential for social dining in Korea. It describes someone who is either a 'small eater' or a 'fussy eater.' While '소식{小食}하다' is a more formal verb for eating little, '입이 짧다' is the natural, idiomatic expression used in daily conversation. It's often used with the particle '편' (e.g., 입이 짧은 편이에요) to soften the statement.
Beyond the basic meaning, '입이 짧다' carries a nuance of 'culinary fastidiousness.' It implies that the person is not easily satisfied by any food and may have very specific preferences. In a culture where 'eating well' is synonymous with health, this phrase allows for a non-confrontational way to describe someone's limited dietary habits without using the more negative '까다롭다' (picky/difficult).
Linguistically, '입이 짧다' functions as a psychological predicate describing a person's disposition toward food consumption. It contrasts with '입이 길다' (though '길다' is not used this way, the conceptual opposite would be '대식{大食}하다'). The 'shortness' refers to the duration of the appetite's engagement. Mastery involves knowing when to use this versus '비위가 약하다' (having a weak stomach/easily grossed out) or '편식{偏食}' (unbalanced eating).
From a cognitive linguistics perspective, '입이 짧다' embodies the metonymic relationship between the organ of consumption (the mouth) and the behavioral pattern of the individual. It reflects the Korean socio-cultural value of 'communal eating' (식구{食口} - literally 'eating mouths'), where one's eating habits are a matter of public social concern. Mastery at this level involves navigating the delicate balance of using this idiom to deflect hospitality without appearing to criticize the quality of the 'Jeong' {情} offered by the host.

मतलब

Describes someone who is a picky eater or has a small appetite.

🌍

सांस्कृतिक पृष्ठभूमि

In Korea, 'eating well' (복스럽게 먹다) is traditionally seen as a sign of good fortune and health. However, '입이 짧다' is a socially acceptable 'excuse' for those who cannot meet these expectations. The term '소식좌' (Soshik-jwa, Master of Small Eating) has become a popular slang term for celebrities known for having a 'short mouth.' It has turned a once-negative trait into a unique personality quirk. When someone says '입이 짧다' about themselves, it is polite for the host to stop pressuring them to eat more. It signals a hard limit on their capacity. In traditional Korean medicine (Sasang typology), having a 'short mouth' is often associated with certain body types (like So-eum-in) who naturally have weaker digestive systems.

💡

Polite Refusal

Use this phrase when you are full at a Korean person's house. It shifts the 'fault' from the cook to your own appetite.

⚠️

Don't say '입이 작다'

If you say your mouth is small, people will look at your physical mouth and be confused!

मतलब

Describes someone who is a picky eater or has a small appetite.

💡

Polite Refusal

Use this phrase when you are full at a Korean person's house. It shifts the 'fault' from the cook to your own appetite.

⚠️

Don't say '입이 작다'

If you say your mouth is small, people will look at your physical mouth and be confused!

💬

The 'Soshik-jwa' Trend

You can use the slang '소식좌' with friends to sound more modern and trendy.

खुद को परखो

Fill in the blank with the correct form of '입이 짧다'.

저는 (______) 많이 못 먹어요. (Because I have a small appetite, I can't eat much.)

✓ सही! ✗ बिलकुल नहीं। सही जवाब: 입이 짧아서

The suffix '-아서' is used here to indicate a reason.

Which sentence is the most natural way to say 'My child is a picky eater'?

Choose the correct sentence:

✓ सही! ✗ बिलकुल नहीं। सही जवाब: 우리 아이는 입이 짧아요.

'입이 짧다' is the idiomatic expression for a picky eater.

Match the situation to the correct response.

Situation: You are at a buffet but your plate is almost empty. Your friend asks why.

✓ सही! ✗ बिलकुल नहीं। सही जवाब: 입이 짧아요.

You use '입이 짧다' to explain why you are eating a small amount.

Complete the dialogue.

A: 음식이 맛없어요? 왜 안 드세요? B: 아니요, 맛있어요. 제가 원래 (______).

✓ सही! ✗ बिलकुल नहीं। सही जवाब: 입이 짧아서요

This is a polite way to explain that the lack of eating is due to your appetite, not the food quality.

🎉 स्कोर: /4

विज़ुअल लर्निंग टूल्स

Appetite Idioms

Phrase
입이 짧다 Small appetite / Picky
Focus
Quantity & Variety
Nuance
Neutral / Polite

अक्सर पूछे जाने वाले सवाल

10 सवाल

No, it's generally neutral or even polite when used about yourself. It can be slightly critical if used about someone else in a complaining tone.

Yes, if they are picky about healthy food and only eat a few things, you can say they have a 'short mouth'.

There isn't a direct 'mouth' idiom for the opposite. You would use '대식{大食}가' (big eater) or '식탐이 많다' (has much food greed).

Use '입이 짧으세요' or '입이 짧으십니다' when talking about an older person.

Mostly, yes. But it also covers people who just eat very small amounts, even if they aren't particularly picky about the taste.

It's probably not relevant unless you're a food critic or in a food-related role. In general, keep it to social settings.

It's better to say '식사를 소량{少量}만 하십니다' to be extra respectful, but '입이 짧으세요' is okay in a casual office setting.

It refers to the 'short' duration of the meal or the 'short' list of foods the person likes.

Yes, '소식좌' (Soshik-jwa) is the most popular modern slang equivalent.

Usually, it's only for food. For drinks, you'd just say '술이 약하다' (weak with alcohol).

संबंधित मुहावरे

🔄

입이 까다롭다

synonym

To be picky/fastidious about food.

🔗

입맛이 없다

similar

To have no appetite.

🔗

소식{小食}하다

specialized form

To eat small amounts.

🔗

편식{偏食}하다

similar

To eat an unbalanced diet (only what one likes).

🔗

입이 가볍다

contrast

To have a 'light mouth' (cannot keep secrets).

कहाँ इस्तेमाल करें

🏠

At a friend's house for dinner

Friend: 왜 벌써 다 먹었어? 더 먹어!

You: 미안, 내가 원래 입이 좀 짧아.

informal
🍽️

Ordering at a restaurant

Waiter: 2인 세트 메뉴 추천해 드릴까요?

Customer: 아니요, 저희가 입이 짧아서 단품 하나만 시킬게요.

neutral
👶

Talking about your kids

Neighbor: 아이가 참 날씬하네요!

Parent: 네, 입이 짧아서 밥 먹이기가 힘들어요.

neutral
👩‍❤️‍👨

On a first date

Date: 음식이 입에 안 맞으세요?

You: 아니요, 정말 맛있는데 제가 입이 짧은 편이에요.

informal
🍻

At a company dinner (Hoesik)

Boss: 김 대리, 왜 안 먹나? 더 많이 먹게!

Employee: 부장님, 죄송합니다. 제가 입이 짧아서 많이 못 먹습니다.

formal
💻

Watching a Mukbang

Viewer A: 이 유튜버는 진짜 입이 짧네.

Viewer B: 맞아, 소식좌의 정석이야.

slang

Memorize It

Mnemonic

Think of a 'Short Mouth' as a mouth that closes very quickly because it's already full!

Visual Association

Imagine a tiny ruler measuring a mouth. A 'short' measurement means the person only eats a 'short' amount of food.

Rhyme

입이 짧아, 밥은 쪼금! (Mouth is short, rice is just a bit!)

Story

Min-su went to a huge buffet. He only ate one strawberry and said he was full. His friends laughed and said, 'Your mouth is so short, it's like a tiny bird's!'

Word Web

소식{小食}편식{偏食}식욕{食欲}까다롭다입맛배부르다남기다

चैलेंज

Next time you leave food at a restaurant, try saying '제가 입이 좀 짧아서요' to the waiter.

In Other Languages

Spanish moderate

Ser de poco comer / Ser tiquismiquis

Spanish separates quantity and pickiness into different expressions.

French high

Avoir un appétit d'oiseau / Faire la fine bouche

French uses 'bird' for quantity and 'fine mouth' for pickiness.

German moderate

Ein Spatzenappetit haben / Krüsch sein

German focuses on the animal metaphor for quantity.

Japanese high

食が細い (shoku ga hosoi)

Japanese uses the adjective 'thin' rather than 'short'.

Arabic low

أكله قليل (akluhu qalil)

Arabic is more literal and focuses on the amount of food.

Chinese moderate

挑食 (tiāoshí) / 胃口小 (wèikǒu xiǎo)

Chinese uses the 'stomach' (胃口) to describe appetite capacity.

Korean (Dialect/Synonym) high

입이 까다롭다

It is more negative and focuses on the difficulty of pleasing the person.

Portuguese moderate

Comer como um passarinho / Ser fresco para comer

Portuguese uses 'fresh' (fresco) to describe the picky behavior.

Easily Confused

입이 짧다 बनाम 입이 작다

Learners think 'small mouth' means 'small appetite'.

Remember that 'short' (짧다) refers to the *time* or *variety* of eating, while 'small' (작다) is only for physical size.

입이 짧다 बनाम 입이 가볍다

Both use 'mouth' and an adjective of dimension/weight.

Short = Food. Light = Secrets.

अक्सर पूछे जाने वाले सवाल (10)

No, it's generally neutral or even polite when used about yourself. It can be slightly critical if used about someone else in a complaining tone.

Yes, if they are picky about healthy food and only eat a few things, you can say they have a 'short mouth'.

There isn't a direct 'mouth' idiom for the opposite. You would use '대식{大食}가' (big eater) or '식탐이 많다' (has much food greed).

Use '입이 짧으세요' or '입이 짧으십니다' when talking about an older person.

Mostly, yes. But it also covers people who just eat very small amounts, even if they aren't particularly picky about the taste.

It's probably not relevant unless you're a food critic or in a food-related role. In general, keep it to social settings.

It's better to say '식사를 소량{少量}만 하십니다' to be extra respectful, but '입이 짧으세요' is okay in a casual office setting.

It refers to the 'short' duration of the meal or the 'short' list of foods the person likes.

Yes, '소식좌' (Soshik-jwa) is the most popular modern slang equivalent.

Usually, it's only for food. For drinks, you'd just say '술이 약하다' (weak with alcohol).

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