A2 adverb #700 most common 4 min read

서로

We are looking at each other.

seoro

Explanation at your level:

서로 means 'each other'. You use it when two people do something together. For example, if you and a friend look at each other, you say '서로 봐요'. It is very easy to use! Just put it before the action. You don't need to change the word at all. It is a great word for making new friends in Korea because it shows you want to share and be kind.

At this level, you can start using 서로 with more verbs. It describes a mutual action. If you are helping someone and they are helping you, you are '서로 돕고 있어요'. It is very common in daily life. Remember, it is an adverb, so it stays the same in every sentence. It is a very helpful word to describe your relationships with classmates or family members.

서로 is essential for describing interactions. You can use it to talk about how people feel or behave toward one another. For instance, '우리는 서로를 잘 이해해요' (We understand each other well). Note that while 서로 is an adverb, sometimes you might see 서로를 in writing, but it is more natural to keep it as an adverb. It is perfect for describing collaborative projects or social dynamics at work or school.

In B2, you will notice 서로 used in more complex, abstract contexts. It is not just about physical actions; it's about mutual states of being. You might use it to discuss '서로 다른 의견' (different opinions) or '서로 존중하는 문화' (a culture of mutual respect). It adds a layer of nuance to your descriptions of social and professional environments, allowing you to express complex ideas about reciprocity and harmony.

At the C1 level, 서로 becomes a tool for sophisticated discourse. You will use it to analyze relationships and societal trends. For example, '두 국가 간의 서로 다른 이해관계' (the conflicting interests between the two nations). It is used to contrast perspectives or highlight the complexity of human interaction. You will find it in academic writing and formal debates, where precision in describing mutual influence is key to a strong argument.

At the mastery level, 서로 is used with high stylistic awareness. It appears in literature to evoke themes of connection, alienation, or deep empathy. You might see it in philosophical discussions about the 'self' and the 'other'. It is a word that carries the weight of cultural values regarding community and collective identity. Mastering its use in nuanced, literary, or highly formal contexts marks a significant milestone in your journey toward complete fluency and cultural integration.

Word in 30 Seconds

  • 서로 means 'each other' or 'mutually'.
  • It is a versatile adverb that does not conjugate.
  • It is used to describe reciprocal actions or states.
  • It is essential for talking about relationships.

Welcome to the world of 서로! Think of this word as the glue that holds relationships together. In Korean, 서로 is the go-to adverb when you want to express that something is happening in both directions.

Whether you are talking about friends loving each other, coworkers helping each other, or neighbors trusting each other, this word is your best friend. It doesn't change form based on the subject, making it super easy to use in your daily conversations.

Imagine a mirror: you look at it, and it looks back at you. That is the essence of 서로. It captures that beautiful, balanced feeling of reciprocity. You will find it in almost every conversation about human interaction, making it one of the most essential building blocks for any Korean learner.

The word 서로 has deep roots in the Korean language, evolving from older forms that emphasized the concept of 'other' or 'counterpart'. Historically, it has functioned as the primary way to express reciprocity in Korean, surviving through centuries of linguistic shifts.

Unlike many words that borrow from Chinese characters (Hanja), 서로 is a native Korean word. This gives it a very natural and warm feel in speech. It is fascinating to see how such a simple, two-syllable word has managed to remain the standard for 'mutually' throughout the history of the language.

In older texts, you might see variations or different spellings, but the core meaning has remained remarkably stable. It reflects a cultural emphasis on harmony and community, where the relationship between people is just as important as the individuals themselves. Learning this word is like taking a tiny step into the heart of Korean social values.

Using 서로 is quite straightforward, but there are a few patterns you should know. It is typically placed right before the verb or the descriptive adjective it modifies. For example, 서로 사랑해요 (We love each other).

You will often see it paired with verbs of interaction like 돕다 (to help), 보다 (to see/look), or 믿다 (to trust). It works perfectly in both casual and formal settings, though you might use it with honorific verb endings in formal situations.

One common mistake is trying to add a particle to it. Remember, 서로 is an adverb, so it stays as it is! You don't need to add 'eul' or 'ga' to it. Just place it before your action, and you are good to go. It is a versatile tool that makes your sentences sound much more natural and native.

While 서로 is a basic word, it is part of many common expressions. 1. 서로 돕고 살자 (Let's live by helping each other) - a common mantra for community. 2. 서로 돕는 관계 (A mutually helpful relationship) - used in business or social contexts. 3. 서로 다른 (Different from each other) - used to highlight contrast. 4. 서로 통하다 (To understand each other/to be on the same page). 5. 서로 마주 보다 (To look face-to-face).

These expressions show how 서로 can be used to describe not just actions, but also states of mind and social dynamics. By mastering these, you will sound much more fluent and expressive in your daily Korean interactions.

Grammatically, 서로 is an adverb of reciprocity. It does not conjugate, and it does not have plural forms. It is truly a 'set and forget' word! In terms of pronunciation, it is pronounced 'seo-ro'. The 's' is a soft sound, and the 'r' is a light tap against the roof of your mouth.

There is no specific stress pattern in Korean like there is in English, so keep the syllables even and clear. It rhymes with words like 도로 (road) or 보로 (a suffix form), though these are less common in daily speech. The key is to keep the flow smooth and avoid over-emphasizing the 'r' sound.

When you use it, ensure it modifies the verb clearly. For instance, 우리는 서로 좋아해요 (We like each other). The word order is flexible, but placing it before the verb is the most standard and clear way to communicate your meaning effectively.

Fun Fact

It is one of the most frequently used native Korean adverbs.

Pronunciation Guide

UK /sʌro/

Sounds like 'suh-roh' with a light tap on the r.

US /sʌroʊ/

Similar to UK, keeping the vowels clear.

Common Errors

  • Hard 'r' sound
  • Adding extra syllables
  • Stressing the wrong part

Rhymes With

도로 보로 고로 포로 모로

Difficulty Rating

Reading 1/5

Very easy to read.

Writing 2/5

Easy to write.

Speaking 2/5

Easy to use.

Listening 1/5

Easy to hear.

What to Learn Next

Prerequisites

우리 하다

Learn Next

상호 피차 협력

Advanced

상호의존 상호보완

Grammar to Know

Adverb placement

서로 + Verb

Reciprocal verbs

돕다, 사랑하다

Sentence structure

Subject + Adverb + Verb

Examples by Level

1

우리는 서로 사랑해요.

We love each other.

Basic subject-adverb-verb structure.

2

서로 도와요.

Help each other.

Imperative usage.

3

서로 봐요.

Look at each other.

Simple action.

4

서로 인사해요.

Greet each other.

Social action.

5

서로 만나요.

Meet each other.

Meeting context.

6

서로 웃어요.

Smile at each other.

Positive emotion.

7

서로 좋아해요.

Like each other.

Affection.

8

서로 말해요.

Talk to each other.

Communication.

1

우리는 서로 연락해요.

2

학생들이 서로 가르쳐요.

3

서로 선물을 교환해요.

4

우리는 서로 의지해요.

5

서로 사진을 찍어요.

6

서로 비밀을 공유해요.

7

서로 이해하려고 노력해요.

8

우리는 서로를 잘 알아요.

1

그들은 서로 다른 생각을 가지고 있어요.

2

우리 서로 예의를 지킵시다.

3

서로 협력해서 일을 끝냈어요.

4

우리는 서로에게 큰 힘이 돼요.

5

서로 연락이 끊겼어요.

6

서로 존중하는 것이 중요해요.

7

그들은 서로 경쟁하는 사이예요.

8

서로 오해를 풀었어요.

1

우리는 서로의 가치관을 존중합니다.

2

서로 다른 문화적 배경을 이해해야 합니다.

3

서로에게 긍정적인 영향을 줍니다.

4

두 회사는 서로 협력 관계를 맺었어요.

5

우리는 서로의 장점을 인정해요.

6

서로의 의견을 조율하는 과정이 필요해요.

7

서로 신뢰를 쌓는 데 시간이 걸려요.

8

서로 보완적인 역할을 수행합니다.

1

서로 상충하는 이해관계를 조정하는 것이 관건입니다.

2

두 집단은 서로 배타적인 태도를 보이고 있습니다.

3

서로 유기적으로 연결된 시스템을 구축해야 합니다.

4

서로의 입장을 대변하는 대표자들이 모였습니다.

5

서로 견제하는 관계가 오히려 발전을 가져옵니다.

6

서로 간의 소통 부재가 문제를 야기했습니다.

7

서로 보완하며 성장하는 파트너십이 중요합니다.

8

서로의 정체성을 인정하는 것이 공존의 시작입니다.

1

서로의 내면을 투영하는 거울과 같은 존재입니다.

2

서로 얽히고설킨 운명의 실타래를 풀어나갑니다.

3

서로를 향한 연민은 인간애의 근본입니다.

4

서로의 다름을 수용하는 것이 진정한 관용입니다.

5

서로 대립하는 가치들 사이에서 균형을 찾습니다.

6

서로를 배제하지 않는 포용적 사회를 지향합니다.

7

서로의 존재가 서로에게 의미를 부여합니다.

8

서로의 고통을 공감하는 능력이 중요합니다.

Common Collocations

서로 돕다
서로 사랑하다
서로 믿다
서로 다르다
서로 이해하다
서로 존중하다
서로 마주보다
서로 통하다
서로 경쟁하다
서로 연락하다

Idioms & Expressions

"서로 돕고 살자"

Let's live by helping each other.

이웃끼리 서로 돕고 살자.

neutral

"서로 통하다"

To be on the same page.

우리는 서로 통하는 게 많아.

casual

"서로 마주보다"

To look face-to-face.

서로 마주보고 앉았다.

neutral

"서로 돕는 관계"

A mutually beneficial relationship.

우리는 서로 돕는 관계야.

neutral

"서로 다르다"

To be different from one another.

취향이 서로 달라.

neutral

"서로를 알다"

To know each other.

우리는 서로를 잘 알아.

neutral

Easily Confused

서로 vs 피차

Both mean each other.

피차 is more formal.

피차 일반이다.

서로 vs 상호

Both imply mutual.

상호 is a noun/prefix.

상호 협력.

서로 vs 우리

Both imply 'we'.

우리 is a pronoun.

우리는 친구다.

서로 vs 함께

Both imply togetherness.

함께 means 'together'.

함께 가자.

Sentence Patterns

A1

Subject + 서로 + Verb

우리는 서로 도와요.

A2

서로 + Adj/Verb

서로 다르네요.

B1

서로 + Verb + -는 + Noun

서로 돕는 관계.

B2

Subject + 서로 + Verb + -기

서로 이해하기가 어려워요.

B1

서로 + Verb + -는 + 사이

서로 아는 사이예요.

Word Family

Nouns

상호 Mutuality

Verbs

돕다 To help (often used with 서로)

Adjectives

상호적인 Mutual

Related

우리 Often used as the subject for 서로

How to Use It

frequency

10/10

Formality Scale

피차 (Formal) 서로 (Neutral) 서로 (Casual)

Common Mistakes

서로를 돕다 (with particle) 서로 돕다
서로 is an adverb, it doesn't need the object particle '를'.
서로의 돕다 서로 돕다
Do not add possessive particles to adverbs.
서로가 돕다 서로 돕다
Subject particles are not used with this adverb.
서로에 돕다 서로 돕다
Do not use location particles with adverbs.
서로와 돕다 서로 돕다
The 'with' meaning is already implied in the word.

Tips

💡

Memory Palace

Visualize two people in a row.

💡

Native Habit

Use it with verbs like 돕다.

🌍

Harmony

It reflects Korean values.

💡

No Particles

Never add particles to it.

💡

Clear R

Keep the r sound light.

💡

Avoid Particles

Don't add '를'.

💡

Frequency

Used daily.

💡

Context

Learn it with verb pairs.

💡

Formal Writing

Use 피차 for variety.

💡

Natural Flow

Keep it near the verb.

Memorize It

Mnemonic

Think of 'Seo-ro' as 'See-row' (people in a row looking at each other).

Visual Association

Two people shaking hands.

Word Web

사랑 도움 친구 관계

Challenge

Write 5 sentences using '서로' today.

Word Origin

Native Korean

Original meaning: Reciprocal action

Cultural Context

None, it is a very positive and neutral word.

Equivalent to 'each other' or 'one another'.

Used in countless K-pop songs about love and friendship.

Practice in Real Life

Real-World Contexts

Friendship

  • 서로 친해요
  • 서로 도와요
  • 서로 연락해요

Work

  • 서로 협력해요
  • 서로 존중해요
  • 서로 의견을 나눠요

Love

  • 서로 사랑해요
  • 서로 믿어요
  • 서로 아껴요

Conflict

  • 서로 달라요
  • 서로 경쟁해요
  • 서로 오해해요

Conversation Starters

"우리는 서로 어떤 점이 비슷할까요?"

"친구와 서로 연락을 자주 하시나요?"

"서로 돕는 관계란 무엇이라고 생각하세요?"

"서로 다른 의견을 어떻게 조율하시나요?"

"서로를 잘 알기 위해 무엇을 해야 할까요?"

Journal Prompts

Write about a time you helped a friend and they helped you (서로 돕다).

Describe your best friend and how you understand each other (서로 이해하다).

Discuss the importance of mutual respect in a relationship (서로 존중하다).

Reflect on how your opinions differ from your family's (서로 다르다).

Frequently Asked Questions

8 questions

No, it requires at least two entities.

No, it is an adverb.

No.

Yes, it is perfectly acceptable.

Yes.

Before the verb.

It is redundant, so usually avoided.

Very frequently.

Test Yourself

fill blank A1

우리는 ___ 사랑해요.

Correct! Not quite. Correct answer: 서로

서로 means each other.

multiple choice A2

Which sentence is correct?

Correct! Not quite. Correct answer: 서로 도와요

Adverbs do not take particles.

true false B1

Can '서로' be used alone as a noun?

Correct! Not quite. Correct answer: False

It is an adverb.

match pairs B1

Word

Meaning

All matched!

Common collocations.

sentence order B2

Tap words below to build the sentence
Correct! Not quite. Correct answer:

Subject + adverb + verb.

fill blank A2

친구와 ___ 연락해요.

Correct! Not quite. Correct answer: 서로

서로 fits the context of mutual contact.

multiple choice B1

What is the best synonym for 서로 in formal writing?

Correct! Not quite. Correct answer: 피차

피차 is the formal synonym.

true false A1

Does 서로 change based on the subject?

Correct! Not quite. Correct answer: False

It is invariant.

match pairs B2

Word

Meaning

All matched!

Adjective phrases.

sentence order C1

Tap words below to build the sentence
Correct! Not quite. Correct answer:

Complex sentence structure.

Score: /10

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