Korean Grammar Point
~아/어 대다 [a/eo daeda] (To do aimlessly)

~아/어 대다 [a/eo daeda] (To do aimlessly)

Short explanation:

Used to indicate actions done without thinking or considered as idle activity.

Formation:

Verb stem + 아/어 + 대다

Examples:

제가 그냥 막 쇼핑을 하다 대다 결국 비싼 옷을 샀어요.
Jega geunyang mak syoping-eul hada daeda gyeolguk bissan os-eul sass-eoyo.
I was shopping around aimlessly and ended up buying expensive clothes.
시험기간이지만 그는 그냥 책을 들여다보다 대다 시간을 다 보냈어요.
Siheomgiganijiman geuneun geunyang chaeg-eul deulyeodaboda daeda sigan-eul da bonaess-eoyo.
Even though it's the exam period, he just idly looked at his books and passed the time.
소리를 들으면서 그녀는 그냥 거리를 걷다 대다 음식점을 놓쳤어요.
Soli leul deul-eumyeonseo geunyeoneun geunyang geoli leul geotda daeda eumsikjeom-eul nohchyeoss-eoyo.
While listening to music, she was aimlessly walking down the street and missed the restaurant.
나는 지루해서 그냥 인터넷을 서핑하다 대다 알게 된 사이트에서 책을 구입했다.
Naneun jiluhaeseo geunyang inteonet-eul seopinghada daeda alge doen saiteu-eseo chaeg-eul gu-ibhaetda.
Bored, I was aimlessly surfing the internet and ended up buying a book from a site I found.

Long explanation:

'~아/어 대다 [a/eo daeda]' is a verb ending used in Korean to convey the meaning of doing something aimlessly, without thinking, or without a clear purpose. It is used when someone is engaged in some activity idly or without a clear goal, or when one is preoccupied with repetitive and time-consuming yet unproductive actions.

Detailed Grammar notes:

Processing keyword: ~아/어 대다 [a/eo daeda] (To do aimlessly)

Korean Grammar Point: ~아/어 대다 [a/eo daeda] (To do aimlessly)

Grammar Point: ~아/어 대다 [a/eo daeda] (To Do Aimlessly)

1. Introduction

In Korean, expressing the manner or frequency of an action often adds depth to your communication. The grammar pattern ~아/어 대다 conveys the sense of doing something repeatedly, excessively, or aimlessly, sometimes with a negative connotation. Understanding this grammar point will help you describe actions that are done in a reckless or uncontrolled manner.


2. Core Grammar Explanation

Meaning

The pattern ~아/어 대다 is used to indicate that someone does an action:

  • Repeatedly or excessively
  • In an aimless, careless, or reckless manner
  • Often causing annoyance or negative consequences

Structure

Verb Stem + ~아/어 대다

Formation Diagram

Let's break down how to form this pattern:

Verb Stem Ending Ending to Add
Verb stem ending with or (bright vowels) -아 대다
Verb stem ending with other vowels (dark vowels) -어 대다
Verb stem ending with -여 대다

Conjugation Steps

  1. Identify the verb stem by removing from the dictionary form.
  2. Add -아 대다, -어 대다, or -여 대다 according to the vowel harmony rules.

Examples of Verb Conjugation

Dictionary Form (Verb) Verb Stem Ending Added Resulting Form
먹다 (to eat) -어 대다 먹어 대다
웃다 (to laugh) -어 대다 웃어 대다
뛰다 (to run) -어 대다 뛰어 대다
울다 (to cry) -어 대다 울어 대다
말하다 (to speak) 말하 -여 대다 말하여 대다 → 말해 대다

3. Comparative Analysis

~아/어 대다 vs. ~아/어 버리다

  • ~아/어 대다: Emphasizes repetitive or reckless action, often with negative feelings.
    • Example: 먹어 대다 (to keep eating excessively)
  • ~아/어 버리다: Indicates the completion of an action, sometimes with relief or regret.
    • Example: 먹어 버리다 (to eat it all up)

~아/어 대다 vs. ~곤 하다

  • ~아/어 대다: Action is ongoing in a reckless or undesirable way.
  • ~곤 하다: Describes a habitual action in a neutral or positive sense.

4. Examples in Context

Example Sentences

  1. 동생이 밤새도록 게임을 해 대서 잠을 잘 수가 없었어요.
    • I couldn't sleep because my younger sibling kept playing games all night long.
  2. 그 사람은 거짓말을 해 대는 버릇이 있어요.
    • That person has a habit of telling lies incessantly.
  3. 아이들이 소리를 질러 대며 놀고 있어요.
    • The children are playing while shouting loudly (making a racket).
  4. 친구가 고민을 들어 달라며 전화해 대고 있어요.
    • My friend keeps calling me, asking me to listen to their worries.
  5. 왜 그렇게 먹어 대는 거야? 배 안 불러?
    • Why are you eating so much like that? Aren't you full?
  6. 비가 오는 날에는 교통이 막혀 대요.
    • On rainy days, the traffic gets terribly congested.

Formal and Informal Contexts

  • Informal Speech: Used among friends or peers.
    • 너는 늦게까지 TV를 봐 대는데, 피곤하지 않아?
      • You keep watching TV until late; aren't you tired?
  • Formal Speech: May appear in written reports or formal complaints.
    • 일부 시민들이 공공장소에서 쓰레기를 버려 대고 있습니다.
      • Some citizens are recklessly littering in public places.

5. Cultural Notes

Cultural Relevance

In Korean society, moderation and consideration for others are valued traits. Using ~아/어 대다 often expresses annoyance or criticism towards someone who is acting without regard for social norms or others' comfort.

Levels of Politeness and Formality

  • The pattern ~아/어 대다 carries a negative nuance and can sound rude if not used carefully.
  • It is important to consider the relationship with the listener when using this expression.
  • Use polite endings (-요) to soften the tone when necessary.

Idiomatic Expressions

  • 불평해 대다: To keep complaining
  • 욕을 해 대다: To swear continuously
  • 술을 마셔 대다: To drink alcohol excessively

6. Common Mistakes and Tips

Common Mistakes

  1. Using ~아/어 대다 with positive actions without negative context
    • Incorrect: 친구가 공부해 대서 기분이 좋아요.
      • (Using ~아/어 대다 with a positive feeling is awkward.)
    • Correct: 친구가 공부를 열심히 해서 기분이 좋아요.
      • I'm happy that my friend is studying hard.
  2. Confusing with ~아/어 주다
    • ~아/어 주다 indicates doing something for someone else's benefit.
    • Remember that ~아/어 대다 often implies annoyance or excessive action.

Tips

  • Mnemonic Device: Think of 대다 as "to overdo" an action.
  • Context Matters: Ensure the action described is excessive or done in a way that might be bothersome.
  • Politeness Levels: Adjust the sentence ending to match the formality required.

7. Summary and Review

Key Takeaways

  • ~아/어 대다 is used to express repetitive, excessive, or aimless actions, often with a negative feeling.
  • Formed by adding -아/어 대다 to the verb stem.
  • Commonly conveys annoyance or criticism.
  • Use appropriately according to the context and the relationship with the listener.

Quick Recap Quiz

  1. How do you form the grammar pattern ~아/어 대다?
  2. What nuance does ~아/어 대다 add to a sentence?
  3. Translate the following sentence using ~아/어 대다:
    • "He keeps making noise, and it's bothering me."

Answers

  1. By attaching -아/어 대다 to the verb stem, following vowel harmony rules.
  2. It adds a sense of an action being done excessively, aimlessly, or recklessly, often causing annoyance.
  3. 그가 시끄럽게 떠들어 대서 신경이 쓰여요.

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