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B1 verb #700 am häufigsten 9 Min. Lesezeit

理解する

rikai suru Top 700

At the A1 level, you primarily use 'wakaru' for 'understand.' However, you might encounter 'rikai' in very simple, polite signs or basic classroom instructions. At this stage, just recognize that 'rikai' is a more formal version of 'wakaru.' You don't need to use it in your own speech yet, but knowing that 'rikai' means 'understanding' will help you when you see it on posters or in textbooks. It's often paired with 'suru' to make a verb. Think of it as the 'big brother' of 'wakaru'—it's more serious and used in school or at work. If a teacher says 'Rikai dekimasu ka?', they are asking if you understand the lesson. You can simply answer with 'Hai, wakarimasu.' Focus on the kanji 理 (reason) and 解 (solve) to start building a visual memory of the word. Even at A1, knowing this word exists helps you navigate the formal world of Japanese society where 'wakaru' might be too casual.

At the A2 level, you should start to distinguish between 'wakaru' and 'rikai suru.' While you will still use 'wakaru' for most things, you can begin using 'rikai suru' when talking about school subjects or reading rules. For example, 'I understand the grammar' can be 'Bunpou wo rikai suru.' You will also see the polite form 'Go-rikai' in public announcements, like at train stations or in shops. Understanding that 'rikai suru' uses the particle 'wo' while 'wakaru' uses 'ga' is a key grammatical milestone for A2 learners. You might also start to use the potential form 'rikai dekiru' (can understand) when talking about your language abilities. It sounds a bit more academic than 'wakaru.' Practice identifying this word in written texts, as it is much more common in writing than in spoken daily conversation. It's a great word to use when you want to show you are a serious student of the language.

At the B1 level, you are expected to use '理解する' (rikai suru) actively in appropriate contexts. This is the level where you move beyond basic needs and start discussing opinions, abstract concepts, and professional matters. You should use 'rikai suru' when discussing your understanding of a complex news article, a social issue, or a detailed work instruction. You should also be comfortable with the 'te-iru' form, 'rikai shite iru,' to describe your ongoing state of comprehension. B1 learners should also understand the nuance of 'mutual understanding' (sougo rikai) and how it is used in discussions about culture and relationships. You are now moving into the territory where 'wakaru' is often too simple. If you are in a business meeting or writing an essay, 'rikai suru' is your go-to verb. You should also be aware of the passive form 'rikai sareru' and how it's used to talk about being understood by others, which is a common theme in intermediate-level conversations and readings.

At the B2 level, you should have a nuanced command of '理解する' and be able to contrast it with similar verbs like '把握する' (haoku suru - to grasp) and '納得する' (nattoku suru - to be convinced). You should use 'rikai suru' to describe deep, analytical comprehension. For instance, in a debate or a formal presentation, you would use 'rikai' to discuss the complexities of a theory or the logic behind a decision. You should also be proficient in using the honorific 'go-rikai' in formal correspondence and business emails. At this level, you understand that 'rikai suru' is not just about the 'what' but the 'why' and 'how.' You can use it to describe the process of reaching a consensus or the difficulty of understanding a different cultural perspective. Your usage should reflect an awareness of the formal register, and you should be able to use it in various grammatical structures, including complex clauses and as a noun (理解).

At the C1 level, your use of '理解する' should be sophisticated and precise. You can use it to discuss philosophical concepts, intricate legal frameworks, or high-level literary analysis. You understand the subtle differences between 'rikai' and more specialized terms like 'shisaku' (contemplation) or 'kaishaku' (interpretation). You are capable of using 'rikai suru' in academic writing to critique the logic of an argument or to describe the evolution of a concept over time. You also recognize its use in idioms and fixed expressions in high-level literature. Your understanding of the word includes its historical and kanji-based roots, allowing you to appreciate its weight in classical-style modern prose. You can effortlessly switch between 'rikai suru' and its synonyms to maintain the appropriate tone and avoid repetition in long discourses. You also understand the sociological implications of 'rikai' in Japanese society, such as the importance of 'kuuki wo yomu' (reading the air) versus explicit 'rikai'.

At the C2 level, you possess a native-like mastery of '理解する' and its place within the vast web of Japanese vocabulary. You can use it with perfect precision in any context, from a casual chat to a doctoral dissertation. You are aware of the most subtle nuances, such as how 'rikai' might be used ironically or how its absence can be used to create dramatic tension in literature. You can analyze the use of 'rikai' in political rhetoric to see how it frames public discourse. You are also familiar with archaic or highly specialized variations of the word that might appear in historical texts or specific professional fields (like law or theology). Your command of the word is such that you don't just 'use' it; you can play with its meaning and register to achieve specific rhetorical effects. You understand the profound cultural depth of the word, including its relation to Buddhist concepts of enlightenment and the logical structures of the Japanese language itself.

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A formal verb for 'to understand' focusing on logic and intellectual comprehension rather than intuition.
Commonly used in business, academic, and official settings to show thorough processing of information.
Uses the particle 'wo' (を) for the object, unlike the casual 'wakaru' which often uses 'ga' (が).
Essential for expressing empathy (understanding feelings) and acknowledging public notices (go-rikai).

The Japanese verb 理解する (rikai suru) is a cornerstone of cognitive expression in the Japanese language. At its core, it translates to 'to understand' or 'to comprehend,' but its usage profile is distinct from the more common and colloquial word 分かる (wakaru). While wakaru often describes a spontaneous or intuitive grasp of a situation—like suddenly realizing where your keys are or understanding a simple instruction—理解する implies a more deliberate, intellectual, and systematic process of internalizing information. It is the act of 'untieing' (解) the 'logic' or 'reason' (理) behind a concept. This word is frequently employed in academic, professional, and formal contexts where the depth of comprehension is being emphasized.

Intellectual Depth: Unlike 'wakaru', which can be used for simple sensory recognition, 'rikai suru' suggests that the subject has processed the logic, structure, or underlying meaning of the object. For example, one might 'wakaru' a joke immediately, but 'rikai suru' a complex scientific theory after hours of study.
Formal Register: In business meetings, written reports, and news broadcasts, 'rikai suru' is the preferred term. It conveys a sense of professional responsibility and thoroughness. Saying 'I understand the contract' using 'rikai suru' sounds much more binding and serious than using 'wakaru'.
Empathy and Perspective: Beyond facts, this verb is used to describe the act of understanding another person's feelings, circumstances, or point of view. It suggests an active effort to step into someone else's shoes and logically process their situation.

彼はそのプロジェクトの目的を完全に理解する必要がある。
(He needs to completely understand the purpose of that project.)

In daily life, you will encounter this word in instructions, educational settings, and discussions about complex social issues. It is not just about 'getting it'; it is about the mental labor required to reach a state of clarity. When a teacher asks, 'Do you understand?', they might use 'wakaru' for a quick check, but a textbook will ask if the student has 'rikai' (understanding) of the chapter's core principles. This distinction is vital for learners aiming for B1 level and above, as it marks the transition from basic communication to nuanced expression.

相互理解を深めることが、平和への第一歩です。
(Deepening mutual understanding is the first step toward peace.)

The kanji themselves tell a story. 理 (ri) refers to the veins in jade, symbolizing the natural logic or order of things. 解 (kai) depicts a knife cutting through an ox's horns, symbolizing the act of taking something apart to see how it works. Together, they describe the process of dissecting a concept to find its inherent logic. This is why 'rikai suru' is so powerful; it implies a breakdown of complexity into clarity.

Using 理解する correctly involves understanding its grammatical behavior as a suru-verb. It typically takes a direct object marked by the particle を (wo). Because it describes a state of mind or a completed cognitive action, it is often used in the ~te iru form (理解している) to indicate that the state of understanding is currently held. Conversely, the plain form 理解する can indicate the moment of reaching understanding or a general habit of comprehension.

The Passive Form: '理解される' (to be understood) is common when discussing how one's actions or words are perceived by others. For example, 'His true intentions were not understood' (彼の真意は理解されなかった).
Adverbial Modification: You can modify 'rikai suru' with adverbs like 'fukaku' (deeply), 'juubun-ni' (sufficiently), or 'tadashiku' (correctly) to specify the quality of the understanding.

マニュアルをよく読んで、操作方法を理解してください。
(Please read the manual carefully and understand the operating method.)

When used with abstract nouns like 'meaning' (意味), 'content' (内容), or 'situation' (状況), 'rikai suru' sounds natural and precise. It is less common to use it with simple physical objects. You wouldn't usually say 'I understand this apple' unless you mean you understand the biological structure or the significance of the apple in a specific context. It is a verb of the mind, dealing with information, emotions, and logic.

子供でも理解できるように、易しく説明した。
(I explained it simply so that even a child could understand it.)

In the potential form, 理解できる (can understand), it often appears in contexts of accessibility. Is the text readable? Is the explanation clear? If something is 'rikai funou' (impossible to understand), it suggests a total breakdown of logic or communication. Mastering these variations allows you to navigate academic texts and professional environments with confidence.

You will encounter 理解する in a variety of high-stakes and formal environments. In the Japanese education system, teachers use it to define learning objectives. In the corporate world, it is the standard for acknowledging receipt of complex information. On the news, reporters use it to discuss international relations and social consensus. It is a word that carries weight and implies that the speaker is engaging their intellect.

The News and Media: Journalists often talk about 'kokumin no rikai' (the understanding of the citizens) regarding new laws or tax hikes. Here, it refers to public acceptance and comprehension of the government's reasoning.
Academic Lectures: Professors will ask if students have 'rikai' of a specific theorem. It is the standard term for scholarly comprehension.

この文章の主旨を理解するのは難しい。
(It is difficult to understand the main point of this text.)

In literature and film, 'rikai suru' is often used in poignant moments where characters struggle to bridge the gap between their experiences. A protagonist might lament that 'nobody understands me' (誰も私を理解してくれない), using this word to express a deep, existential loneliness that goes beyond simple communication. It suggests a lack of intellectual and emotional resonance with the world around them.

ご理解とご協力をお願いいたします。
(We ask for your understanding and cooperation.)

This last example is perhaps the most common phrase you will hear in public announcements. Whether it's a train delay or a construction project, the phrase 'Go-rikai to go-kyouryoku' is the standard polite way to ask the public to accept an inconvenience. It appeals to the listener's logic and patience, making it a vital phrase for anyone living in or visiting Japan.

The most frequent mistake English speakers make is overusing 理解する in casual conversation where 分かる (wakaru) would be more appropriate. Because 'understand' is the primary translation for both, learners often default to the more 'impressive' sounding 'rikai suru', which can make them sound overly stiff or robotic in a friendly setting. If a friend tells you they are going to the store, responding with 'rikai shimashita' sounds like you are a military officer receiving an order, not a friend acknowledging a plan.

Particle Confusion: As mentioned before, using 'ga' with 'rikai suru' is a common error. While 'Nihongo ga wakaru' is correct, you must say 'Nihongo wo rikai suru'. Mixing these up is a tell-tale sign of a learner's struggle with transitive vs. intransitive structures.
Contextual Mismatch: Using 'rikai suru' for sensory experiences is incorrect. You don't 'rikai' that the stove is hot; you 'wakaru' it. 'Rikai' requires logic, not just nerves.

❌ 私はあなたの名前を理解しました。
(I understood [comprehended the logic of] your name. - Sounds very strange.)

Another mistake is failing to use the honorific form ご理解 (go-rikai) when asking for a favor or apologizing. In Japanese culture, acknowledging the other person's mental effort to understand your situation is a key part of politeness. Omitting the 'go-' prefix in formal writing can come across as blunt or disrespectful. Conversely, you should never use 'go-rikai' to refer to your own understanding, as that would be 'lifting' yourself up inappropriately.

✅ 彼の言いたいことは分かります。
(I understand what he wants to say. - More natural for general empathy.)

Finally, remember that 'rikai suru' is a deliberate action. If you want to say 'I realized' (sudden insight), kizuita is better. If you want to say 'I'm convinced' (emotional agreement), nattoku shita is better. 'Rikai' is the logical bridge between not knowing and knowing.

Japanese has a rich vocabulary for the various shades of 'understanding.' Choosing the right one depends on whether you are talking about a gut feeling, a logical grasp, or a formal agreement. 理解する sits in the middle of this spectrum as the standard intellectual term.

分かる (Wakaru): The most common term. It covers everything from 'I see' to 'I know the answer.' It is less formal and more intuitive than 'rikai suru'. Use it for daily interactions.
把握する (Haoku suru): Literally 'to grasp in one's hand.' It is used when you have a firm handle on a situation, data, or a complex set of facts. It implies a 'big picture' understanding.
納得する (Nattoku suru): This means to be 'convinced' or to 'consent' to an explanation. It's not just that you understand the logic, but that you accept it as fair or true.

状況を正確に把握することが重要だ。
(It is important to accurately grasp the situation.)

Other alternatives include 了解する (ryoukai suru), which is often used like 'Roger' or 'Understood' in professional or military-adjacent contexts, and 飲み込む (nomikomu), which literally means 'to swallow' and is used when you finally 'digest' or 'get' a difficult concept. There is also 察する (sassuru), which means to 'guess' or 'sense' someone's feelings without them being explicitly stated—a very important skill in high-context Japanese culture.

彼の説明には納得がいかない。
(I am not convinced by his explanation. - I understand it, but I don't accept it.)

By learning these distinctions, you move from simply communicating to expressing yourself with precision. 'Rikai suru' remains the 'gold standard' for intellectual understanding, but knowing when to use 'haoku' for data or 'nattoku' for feelings will make your Japanese sound much more natural and sophisticated.

How Formal Is It?

Formell

Neutral

Informell

Child friendly

Umgangssprache

Wusstest du?

The character '解' shows a knife (刀) between a cow (牛) and horns (角), literally meaning to take a cow apart. This is the root of 'understanding'—taking things apart to see how they work.

Aussprachehilfe

UK ɾikai sɯɾɯ

US ɾikaɪ sʊɾu

Flat pitch accent (Heiban), meaning the pitch starts low and stays high for the rest of the word.

Reimt sich auf

ikai (different) kikai (machine) sekai (world) chikai (near) mikai (uncivilized) shikai (vision) gikai (diet/parliament) hikari (light - near rhyme)

Häufige Fehler

Pronouncing the 'r' like an English 'r' with curled tongue.
Over-emphasizing the 'u' in 'su' (it should be nearly silent).
Using a rising intonation like a question when making a statement.
Pronouncing 'kai' like 'kay' instead of 'kah-ee'.
Stressing the first syllable 'ri' too heavily.

Schwierigkeitsgrad

Lesen 3/5

The kanji are common but require intermediate knowledge. The context is usually formal.

Schreiben 4/5

Writing the kanji '解' can be tricky for beginners due to the number of strokes.

Sprechen 2/5

The pronunciation is straightforward, but choosing the right register is key.

Hören 2/5

Distinct sound, easy to pick out in formal speech.

Was du als Nächstes lernen solltest

Voraussetzungen

分かる (wakaru) 知る (shiru) 考える (kangaeru) 理由 (riyuu) 意味 (imi)

Als Nächstes lernen

把握する (haoku suru) 納得する (nattoku suru) 解釈する (kaishaku suru) 考察する (kousatsu suru) 分析する (bunseki suru)

Fortgeschritten

敷衍する (fuien suru) 咀嚼する (soshaku suru) 看破する (kanpa suru) 洞察する (dousatsu suru) 領解する (ryoukai suru)

Wichtige Grammatik

Suru-verbs (Noun + する)

理解 + する = 理解する

Potential form of Suru-verbs (〜できる)

理解できる (Can understand)

Passive form (〜される)

理解される (To be understood)

Honorific prefix 'Go-' (ご〜)

ご理解 (Your understanding)

Adverbial form of adjectives (〜く)

深く理解する (Understand deeply)

Beispiele nach Niveau

日本語を理解します。

I understand Japanese.

Uses 'wo' particle with 'rikai suru'.

先生の話を理解しました。

I understood the teacher's story.

Past tense 'shimashita'.

このルールを理解してください。

Please understand this rule.

Request form 'shite kudasai'.

意味が理解できません。

I cannot understand the meaning.

Potential negative 'dekimasen'.

彼は英語を少し理解する。

He understands English a little.

Plain form 'suru'.

図を理解するのは簡単です。

Understanding the diagram is easy.

Noun phrase 'rikai suru no'.

みんなで理解しましょう。

Let's all understand together.

Volitional form 'shimashou'.

名前を理解しましたか？

Did you understand the name?

Question form.

この本の文法を理解しました。

I understood the grammar of this book.

Focus on intellectual comprehension.

彼は私の気持ちを理解してくれた。

He understood my feelings.

Using '~te kureru' for a favor.

使い方を正しく理解してください。

Please understand the usage correctly.

Adverb 'tadashiku'.

この問題は理解するのが難しい。

This problem is difficult to understand.

Adjective 'muzukashii' with nominalized verb.

彼女は説明をすぐに理解した。

She understood the explanation immediately.

Adverb 'sugu ni'.

もっと深く理解したいです。

I want to understand more deeply.

Desire form 'shitai'.

ご理解をお願いします。

We ask for your understanding.

Honorific 'go-rikai'.

子供でも理解できる言葉を使う。

Use words that even a child can understand.

Potential form 'dekiru'.

そのニュースの背景を理解している。

I understand the background of that news.

State of being 'shite iru'.

異文化を理解することは大切だ。

It is important to understand different cultures.

Gerund 'koto' as subject.

彼は状況を十分に理解していない。

He does not sufficiently understand the situation.

Negative state 'shite inai'.

相互理解を深めるための会議です。

It is a meeting to deepen mutual understanding.

Compound noun 'sougo rikai'.

私の意図が正しく理解された。

My intention was correctly understood.

Passive form 'sareru'.

契約の内容を理解してからサインする。

Sign after understanding the contents of the contract.

Temporal sequence '~te kara'.

専門用語が多くて理解に苦しむ。

There is so much technical jargon that I struggle to understand.

Idiom 'rikai ni kurushimu'.

論理的に理解することが求められる。

Logical understanding is required.

Adverb 'ronriteki ni'.

この理論を完全に理解するのは至難の業だ。

Understanding this theory completely is a Herculean task.

Formal expression 'shinan no waza'.

市民の理解を得るために説明会を開く。

Hold an explanatory meeting to gain the citizens' understanding.

Phrase 'rikai wo eru'.

彼は自分の過ちをようやく理解したようだ。

It seems he has finally understood his own mistake.

Conjecture 'youda'.

抽象的な概念を理解する能力が高い。

The ability to understand abstract concepts is high.

Noun modification 'rikai suru nouryoku'.

相手の立場を理解しようと努める。

Strive to try to understand the other person's position.

Volitional + 'to tsutomeru'.

この文書は一般の人には理解しにくい。

This document is hard for the general public to understand.

Suffix '~nikui' (hard to).

事実関係を正確に理解しておく必要がある。

It is necessary to understand the factual relationship in advance.

Preparation form '~te oku'.

彼の行動は理解に苦しむものだった。

His actions were something difficult to understand.

Noun phrase 'mono'.

多角的な視点から事象を理解することが不可欠だ。

It is indispensable to understand phenomena from multifaceted perspectives.

Formal noun 'fukaketsu'.

その哲学者の思想を深く理解するのは容易ではない。

It is not easy to deeply understand that philosopher's thoughts.

Double negative nuance.

文脈を無視しては、真意を理解することはできない。

Without ignoring the context, one cannot understand the true intention.

Conditional '~te wa'.

科学的根拠に基づいた理解が求められている。

Understanding based on scientific evidence is being sought.

Phrase 'ni motozuita'.

彼は複雑な数式を瞬時に理解する天才だ。

He is a genius who understands complex formulas instantly.

Adverb 'shunji ni'.

この作品を理解するための鍵は、歴史的背景にある。

The key to understanding this work lies in the historical background.

Noun 'kagi' (key).

国民の理解が深まらなければ、政策は実行できない。

Unless the public's understanding deepens, the policy cannot be executed.

Conditional '~nakereba'.

彼の沈黙は、拒絶ではなく理解と受け止めるべきだ。

His silence should be taken as understanding, not rejection.

Modal 'beki da'.

言語の壁を超えた普遍的な理解を目指すべきである。

We should aim for a universal understanding that transcends language barriers.

Formal 'beki de aru'.

事象の深層心理を理解するには、膨大な時間が必要だ。

To understand the deep-seated psychology of the phenomenon, an enormous amount of time is required.

Noun 'shinsou shinri'.

彼は、自己と他者の境界を理解する哲学的境地に達した。

He reached a philosophical state of understanding the boundaries between self and others.

Noun 'kyouchi' (state/stage).

その法案の妥当性を理解するには、高度な専門知識を要する。

Understanding the validity of that bill requires advanced specialized knowledge.

Verb 'yousuru' (require).

歴史のうねりを理解することは、未来を予測することに繋がる。

Understanding the swells of history leads to predicting the future.

Metaphor 'uneri'.

人間の尊厳に対する深い理解が、社会の基盤となる。

A deep understanding of human dignity becomes the foundation of society.

Noun 'kiban'.

矛盾を矛盾として理解する強さが、彼にはあった。

He had the strength to understand contradictions as contradictions.

Abstract structure 'A wo A toshite'.

宇宙の真理を理解しようとする試みは、果てしなく続く。

The attempt to understand the truths of the universe continues endlessly.

Noun 'kokoromi' (attempt).

Häufige Kollokationen

意味を理解する

状況を理解する

深く理解する

正しく理解する

相互理解

理解を得る

理解に苦しむ

理解を深める

完全に理解する

理解を示す

Häufige Phrasen

ご理解ください

理解が早い

理解できない

理解がある

理解を求める

理解不足

理解しがたい

理解度

理解し合う

理解を示す

Wird oft verwechselt mit

理解する vs 分かる (wakaru)

Wakaru is intuitive/spontaneous; rikai is logical/deliberate.

理解する vs 知る (shiru)

Shiru is to get information; rikai is to process and comprehend that information.

理解する vs 納得する (nattoku suru)

Nattoku is to accept/agree; rikai is just to comprehend the logic.

Redewendungen & Ausdrücke

"理解に苦しむ"

To find something extremely difficult to understand or justify.

彼の無責任な態度は理解に苦しむ。

Neutral

"腑に落ちる"

To finally make sense; to be convinced (related to understanding).

彼の説明でようやく腑に落ちた。

Idiomatic

"目から鱗が落ちる"

To have the scales fall from one's eyes; a sudden understanding.

その講義を聞いて目から鱗が落ちた。

Idiomatic

"飲み込みが早い"

To be a quick study; to grasp things fast.

彼女は仕事の飲み込みが早い。

Colloquial

"話が通じる"

To be able to communicate effectively; to be understood.

彼とは話が通じる仲だ。

Neutral

"ピンとくる"

To strike a chord; to understand intuitively.

彼の名前を聞いてピンときた。

Colloquial

"合点が行く"

To be satisfied with an explanation; to understand.

それでようやく合点が行った。

Slightly Dated

"意を汲む"

To understand someone's true intention or feelings.

上司の意を汲んで行動する。

Formal

"ツーカーの仲"

To understand each other perfectly without words.

二人はツーカーの仲だ。

Slang/Old

"阿吽の呼吸"

Perfect synchronization based on mutual understanding.

二人は阿吽の呼吸で作業を進めた。

Literary

Leicht verwechselbar

理解する vs 了解 (ryoukai)

Both mean 'understood'.

Ryoukai is an acknowledgement of a message/order (Roger); Rikai is a mental state of comprehension.

了解しました (Roger that) vs 内容を理解しました (I comprehend the content).

理解する vs 把握 (haoku)

Both mean 'grasping' a concept.

Haoku implies a complete command of all facts/data; Rikai is the logical understanding of the meaning.

状況を把握する (Grasp the whole situation) vs 意味を理解する (Understand the meaning).

理解する vs 解釈 (kaishaku)

Both involve finding meaning.

Kaishaku is 'interpretation' (one of many possible meanings); Rikai is 'comprehension' (getting the intended logic).

詩を解釈する (Interpret a poem) vs 説明を理解する (Understand an explanation).

理解する vs 納得 (nattoku)

Both involve 'getting it'.

Nattoku requires emotional or moral agreement; Rikai is purely intellectual.

説明は理解したが、納得はできない (I understand the explanation, but I don't accept it).

理解する vs 承知 (shouchi)

Both used in business to say 'I understand'.

Shouchi is a humble way to say you have acknowledged a request or fact.

承知いたしました (I have noted/accepted your request).

Satzmuster

[Noun] を理解します。

意味を理解します。

[Noun] を理解しましたか？

ルールを理解しましたか？

[Noun] を理解している [Noun]。

状況を理解している人。

[Noun] を理解するために [Verb]。

内容を理解するために読みます。

[Noun] が理解される。

彼の努力が理解される。

[Noun] を理解しがたい。

その理由は理解しがたい。

[Noun] への理解を深める。

異文化への理解を深める。

[Noun] を [Noun] と理解する。

沈黙を肯定と理解する。

Wortfamilie

Substantive

Verben

Adjektive

Verwandt

So verwendest du es

frequency

Very high in formal, academic, and professional contexts. Moderate in daily conversation.

Häufige Fehler

Using 'ga' instead of 'wo'. → 意味を理解する。
Unlike 'wakaru', 'rikai suru' is a standard transitive verb requiring 'wo'.
Using it for sensory realization. → 熱いのが分かった。
You don't 'comprehend' heat logically; you sense it. Use 'wakaru'.
Using 'go-rikai' for your own understanding. → 理解しました。
Honorifics are for others. Using 'go-' for yourself is incorrect.
Using it for simple 'I see' in chat. → 分かった！
'Rikai shimashita' is too formal for a casual text message.
Confusing 'rikai' with 'shiru'. → 彼の住所を知っている。
You 'know' an address (fact); you 'understand' a theory (logic).

Tipps

Use for Logic

Always choose 'rikai suru' when the understanding involves a logical process or a sequence of steps.

Business Standard

In professional emails, 'ご理解' is the standard way to ask for a client's patience.

Particle Check

Remember: [Object] を理解する. Don't use 'ga' like you do with 'wakaru'.

Beyond Intuition

If you 'just get it' without thinking, use 'wakaru'. If you had to think about it, use 'rikai suru'.

Avoid Robotic Speech

Don't use 'rikai shimashita' with friends; it sounds too stiff. Stick to 'wakatta' or 'naruhodo'.

Deepen Understanding

Use the phrase '理解を深める' (deepen understanding) in essays to show intellectual growth.

Public Notices

When you hear 'go-rikai' on a train, it usually means there is a delay or a change in service.

Mutual Understanding

'Sougo rikai' is a key term in Japanese diplomacy and social harmony.

Dissect the Meaning

Remember the 'knife' in '解' to remind you that understanding is about taking things apart.

Pair with Nouns

It pairs well with abstract nouns like 'imi' (meaning), 'naiyou' (content), and 'joukyou' (situation).

Einprägen

Eselsbrücke

Think of 'RE-I-KAI'. REason (理) + I (eye) + KAI (knife). Use your REason and your eye like a knife to cut through the confusion and understand.

Visuelle Assoziation

Imagine a person using a magnifying glass to look at the veins in a piece of jade (理) and then using a small tool to carefully take apart a puzzle (解).

Word Web

Knowledge Logic Brain School Business Agreement Empathy Clarity

Herausforderung

Try to use 'rikai shimashita' at least three times today when someone explains something complex to you, instead of just saying 'okay'.

Wortherkunft

Derived from Middle Chinese. '理' (ri) originally meant the patterns or veins in jade, and '解' (kai) meant to untie or dissect an animal.

Ursprüngliche Bedeutung: To cut along the natural patterns of something to understand its internal structure.

Sino-Japanese (Kango).

Kultureller Kontext

Be careful using 'rikai dekimasu ka?' (Can you understand?) to a superior, as it can sound condescending, implying they might lack the intelligence to get it. Use 'go-setsumei wa juubun deshita ka?' (Was the explanation sufficient?) instead.

English speakers often use 'I understand' for both logic and empathy. In Japanese, 'rikai' leans more towards the logical side, while 'wakaru' is more empathetic.

The concept of 'Mutual Understanding' in the UN Charter (相互理解). Natsume Soseki's literature often explores the difficulty of human 'rikai'. Scientific documentaries in Japan frequently use 'rikai' to introduce complex topics.

Im Alltag üben

Kontexte aus dem Alltag

Business Meeting

趣旨を理解しました。
ご理解を賜りたい。
詳細を理解する。
共通の理解を持つ。

School/University

講義の内容を理解する。
理解度テスト。
深く理解を深める。
教科書を理解する。

Public Announcements

ご理解をお願いします。
皆様の理解を得る。
状況をご理解ください。
不備をご理解いただく。

Personal Relationships

私の気持ちを理解して。
お互いを理解し合う。
理解のある人。
誤解を解いて理解する。

Legal/Contracts

条項を理解する。
内容を理解した上で署名。
法的理解。
理解の相違。

Gesprächseinstiege

"このニュースの背景をどう理解していますか？ (How do you understand the background of this news?)"

"日本の文化で一番理解しにくいことは何ですか？ (What is the hardest thing to understand about Japanese culture?)"

"お互いを理解するために、何が大切だと思いますか？ (What do you think is important for understanding each other?)"

"この説明で、使い方は理解できましたか？ (With this explanation, were you able to understand how to use it?)"

"最近、目から鱗が落ちるような理解をしたことはありますか？ (Have you recently had a 'scales falling from eyes' kind of understanding?)"

Tagebuch-Impulse

今日、新しく理解したことについて詳しく書いてください。 (Write in detail about something you newly understood today.)

他人から理解されないと感じた時のことを思い出して書いてください。 (Recall and write about a time when you felt not understood by others.)

「理解」と「納得」の違いについて、自分の意見を書いてください。 (Write your opinion on the difference between 'understanding' and 'being convinced'.)

将来、もっと深く理解したい分野は何ですか？ (What field do you want to understand more deeply in the future?)

相互理解を深めるために、自分ができることをリストアップしてください。 (List things you can do to deepen mutual understanding.)

Häufig gestellte Fragen

10 Fragen

Yes, but it sounds more academic. 'Nihongo wo rikai suru' means you comprehend the language's structure and meaning. For daily ability, 'Nihongo ga wakaru' is more common.

In a business setting, yes. It sounds more professional and suggests you have fully processed the information provided by your boss or client.

'Rikai' is the act of understanding, while 'rikairyoku' is the 'power' or 'ability' to understand (comprehension skills).

Yes, it is very common to say 'Kimochi wo rikai suru' (to understand feelings). It implies a deep, empathetic comprehension of someone's state.

Because it is a transitive verb where the subject is actively performing the action of understanding on an object. 'Wakaru' is an intransitive state-verb.

It literally means 'to suffer in understanding.' It's used when someone's behavior or a situation is so illogical or strange that you can't make sense of it.

Yes, often by cool, intellectual, or villainous characters who 'understand' the hidden truth or a complex plan.

Yes, it means 'I can understand.' It's a polite way to state your comprehension ability.

Use 'gokai' (誤解). To say 'I misunderstood,' you say 'gokai shimashita'.

It is a noun ('understanding') that becomes a verb when you add 'suru' ('to understand').