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B1 adverb #2,500 am häufigsten 6 Min. Lesezeit

真剣に

shinken ni
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Erklärung 真剣に in your Level:
At the A1 level, you can think of 真剣に (shinken ni) as a way to say 'very hard' or 'really.' While it is a bit advanced for absolute beginners, you might hear it when a teacher tells you to 'study seriously' (shinken ni benkyou shite kudasai). At this stage, just remember that it means you should stop playing and focus. It is like the difference between 'playing' with a language and 'studying' it. If you use it, people will understand that you are trying very hard. For example, 'Shinken ni kiku' means 'Listen carefully/seriously.' It's a good word to know to show your teacher that you are a dedicated student. Even if your Japanese isn't perfect, saying you are 'shinken' shows you have a good heart and a strong will to learn.
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At the A2 level, you start to see the difference between 真剣に (shinken ni) and other words like 'majime ni.' You can use it to describe your hobbies or your work. For example, if you play soccer not just for fun but because you want to win a tournament, you can say 'Shinken ni renshuu shite imasu' (I am practicing seriously). This tells people that you are committed. You will also see this word in simple stories or anime when a character is about to do something important. It often appears with verbs like 'kangaeru' (think) or 'hanasu' (talk). It's a useful word for making your Japanese sound more expressive and showing that you have deep feelings about what you are doing.
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At the B1 level, you should be able to use 真剣に (shinken ni) to discuss more complex topics like your career, relationships, and social issues. This is the level where the distinction between 'shinken' (intensity/gravity) and 'majime' (diligence/character) becomes important. You might use it in a job interview to say 'I want to work here seriously' or in a discussion with a friend about a problem. It's also the level where you learn the kanji (真剣), which literally means 'real sword.' Understanding this 'real sword' metaphor helps you use the word in the right context—situations where there is something at stake. You should also start noticing it in news reports or more formal speeches where people discuss 'shinken na giron' (serious debate).
At the B2 level, you are expected to use 真剣に (shinken ni) with nuance. You can use it to contrast different levels of commitment. For instance, you might describe a situation where someone was joking at first but then became 'shinken' when they realized the gravity of the situation. You should also be comfortable using its adjective form 'shinken na' and related terms like 'shinken-shoubu' (a match fought with real swords/a do-or-die contest). At this level, you can use 'shinken ni' to modify more abstract verbs like 'torikumu' (to tackle a problem) or 'muki-au' (to face/confront a situation). It becomes a tool for precise communication in professional and academic environments.
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At the C1 level, you understand the subtle rhetorical power of 真剣に (shinken ni). You can use it to set the tone of a conversation or a piece of writing. In a business context, using 'shinken ni' can signal a transition from brainstorming to decision-making. You also recognize when it is being used for emphasis in literature or high-level journalism to describe a nation's resolve or a scientist's dedication. You can distinguish it from 'shinshi ni' (sincere/grave) and 'honki de' (with real intent), choosing the one that fits the register perfectly. You might also use it in more complex grammatical structures, such as 'shinken ni nareba naru hodo...' (the more serious one becomes...).
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At the C2 level, your mastery of 真剣に (shinken ni) is native-like. You understand its historical weight and can use it in creative ways, perhaps even ironically or in highly specific cultural contexts like martial arts philosophy or traditional arts (Geido). You are aware of its synonyms across all registers—from the street slang 'maji de' to the highly formal 'shinken-mi o obiru' (to take on a serious air). You can use the word to discuss the philosophical implications of 'seriousness' in Japanese society, such as the concept of 'isshoukenmei' versus 'shinken.' Your usage is effortless, and you can pick up on the slightest misuse of the word by others, recognizing how it affects the perceived sincerity of their statement.
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真剣に in 30 Sekunden

  • Means 'seriously' or 'earnestly' with high intensity.
  • Derived from 'real sword' (shinken), implying life-or-death focus.
  • Commonly used for work, study, sports, and relationships.
  • Stronger and more focused on the 'moment' than 'majime ni'.

The Japanese adverb 真剣に (shinken ni) is a powerful and evocative term that translates to 'seriously,' 'earnestly,' or 'sincerely.' To truly understand its depth, one must look at its etymological roots. The word is composed of 真 (shin - true/real) and 剣 (ken - sword). Historically, it referred to a 'real sword' as opposed to a wooden practice sword (bokken) or a bamboo sword (shinai). When you do something shinken ni, you are approaching it with the same life-or-death intensity as a samurai facing an opponent with a live blade. This nuance of 'all-or-nothing' commitment distinguishes it from more casual synonyms.

Core Nuance
It implies a state of mind where there is no room for playfulness, distraction, or half-hearted effort. It is the gold standard for describing professional or personal dedication.
Intensity Level
High. While 'majime ni' suggests being diligent or well-behaved, 'shinken ni' suggests a profound internal drive and focus.
Grammatical Role
As an adverb, it modifies verbs. It is formed by adding the particle 'ni' to the na-adjective 'shinken'.

「彼は真剣に将来のことを考えています。」(He is seriously thinking about his future.)

— Common usage in life planning contexts

「プロの選手は真剣に練習に取り組んでいる。」(Professional athletes approach their practice with total seriousness.)

In modern Japanese, the word has moved beyond the battlefield into every aspect of life. You can listen to music shinken ni, play a video game shinken ni, or fall in love shinken ni. It denotes a transition from a 'casual' or 'hobbyist' state to a 'professional' or 'deeply committed' state. When someone says 'Shinken ni nare!' (Get serious!), they are demanding that you stop joking around and focus your entire being on the task at hand.

「冗談はやめて、真剣に話を聞いてくれ。」(Stop joking and listen to me seriously.)

「彼女は真剣に画家を目指している。」(She is earnestly aiming to become a painter.)

Using 真剣に (shinken ni) correctly requires understanding its placement and the types of verbs it typically modifies. Because it describes the manner of an action, it almost always precedes the verb. It is most frequently paired with verbs of thinking, working, discussing, and competing.

Common Verb Pairings

  • Thinking/Considering: 考える (kangaeru), 検討する (kentou suru). Used for big life decisions.
  • Working/Studying: 取り組む (torikumu), 勉強する (benkyou suru). Indicates deep focus.
  • Speaking/Listening: 話す (hanasu), 聞く (kiku), 相談する (soudan suru). Indicates sincerity in communication.
  • Competing: 戦う (tatakau), 試合をする (shiai o suru). No holding back.

「この問題について、政府は真剣に議論すべきだ。」(The government should seriously debate this issue.)

The word can also be used as a na-adjective (真剣な - shinken na) to describe a person's expression or a situation. For example, a 'shinken na manazashi' is a 'serious look in one's eyes.' When you turn it into an adverb with 'ni', you are focusing on the action itself. If you want to emphasize the intensity, you can add 'very' (非常に - hijou ni) or 'truly' (本当に - hontou ni) before it, though 'shinken ni' is already quite strong on its own.

You will encounter 真剣に (shinken ni) in a variety of settings, ranging from high-stakes business meetings to emotional anime climaxes. It is a staple of Japanese media because it conveys a sense of drama and commitment that is central to many narratives.

1. Business and Professional Life

In the workplace, it is used to signal that a project or a problem is being handled with the utmost priority. A manager might say, 'We are taking your feedback shinken ni.' This is meant to reassure the client of their sincerity.

2. Sports and Competitions

Sports commentators often use it to describe an athlete's focus. 'He is looking at the goal shinken ni.' It captures the 'zone' that athletes enter when they are performing at their peak.

3. Romance and Relationships

This is perhaps the most common 'daily life' use. When someone confesses their feelings, they might say, 'I am shinken ni dating you,' meaning they aren't just looking for a casual fling; they are looking for a long-term commitment.

「君との結婚を真剣に考えているんだ。」(I am seriously considering marrying you.)

4. Education

Teachers use it to encourage students before exams. 'If you don't study shinken ni now, you'll regret it later.' It serves as a call to action to stop procrastinating.

While 真剣に (shinken ni) is a common word, learners often confuse it with other 'seriousness' words or use it in contexts where it feels too heavy.

Mistake 1: Confusion with 'Majime ni'
'Majime ni' refers to being diligent, honest, or a 'good student' type. 'Shinken ni' refers to the intensity of the moment. You can be a 'majime' person who isn't being 'shinken' about a specific game, or a 'non-majime' person who suddenly becomes 'shinken' during a fight.
Mistake 2: Using it for low-stakes tasks
Saying 'I am shinken ni eating this apple' sounds like you are performing a ritual or a scientific experiment on the apple. Unless you are a professional food critic, 'futsuu ni' (normally) or 'oishiku' (deliciously) is better.
Mistake 3: Forgetting the 'ni'
Remember that 'shinken' is the noun/adjective base. To use it as 'seriously [verb]', you must include 'ni'. 'Shinken kangaeru' is grammatically incorrect; it must be 'shinken ni kangaeru'.

❌ 「彼は真面目に戦っている。」(He is fighting diligently - sounds like he's following rules.)
✅ 「彼は真剣に戦っている。」(He is fighting seriously - sounds like he's trying to win at all costs.)

Japanese has many words for 'seriousness.' Choosing the right one depends on the 'flavor' of the effort you want to describe.

  • 本気で (Honki de): Very similar to 'shinken ni,' but slightly more colloquial. It literally means 'with real spirit.' It's often used in challenges: 'Honki dashite!' (Give it your all!).
  • 一生懸命に (Isshoukenmei ni): Focuses on the physical effort and 'doing one's best.' It's the word for hard work and perseverance over time.
  • 真面目に (Majime ni): Focuses on being proper, reliable, and following the rules. A 'majime' student does their homework every day.
  • 真摯に (Shinshi ni): A very formal, academic, or professional version of 'shinken ni.' Often used by politicians or CEOs in apologies: 'We take this matter shinshi ni (sincerely).'

「本気で怒っているんだぞ！」(I'm seriously/truly angry!) - More emotional/raw than shinken ni.

How Formal Is It?

Schwierigkeitsgrad

Wichtige Grammatik

Adverbial 'ni' for na-adjectives

Contrastive 'dewa naku'

Volitional form + to suru

Conditional 'ba' and 'nara'

Formal 'shinshi ni' usage

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Beispiele nach Niveau

1

真剣に勉強します。

I will study seriously.

Adverb + Verb

2

真剣に聞いてください。

Please listen seriously.

Request form

3

彼は真剣に走っています。

He is running seriously.

Present continuous

4

真剣に練習しましょう。

Let's practice seriously.

Volitional form

5

真剣に答えてください。

Please answer seriously.

Request form

6

私は真剣に考えています。

I am thinking seriously.

Present continuous

7

真剣に読みました。

I read it seriously.

Past tense

8

真剣にやりましょう！

Let's do it seriously!

Exclamation

1

将来の夢を真剣に話しました。

I talked about my future dreams seriously.

Direct object + Adverb

2

真剣にピアノを練習しています。

I am practicing the piano seriously.

Continuous action

3

先生の話を真剣に聞きました。

I listened to the teacher's talk seriously.

Past tense

4

真剣にゲームをしています。

I am playing a game seriously.

Modern context

5

彼は真剣に怒っています。

He is seriously angry.

Describing state

6

真剣に掃除をしました。

I cleaned seriously.

Simple past

7

この本を真剣に読んでください。

Please read this book seriously.

Imperative

8

真剣に日本語を学びたいです。

I want to learn Japanese seriously.

Desire form

1

将来について真剣に考える時期だ。

It's time to think seriously about the future.

Noun + ni tsuite

2

彼は真剣に彼女との結婚を考えている。

He is seriously considering marrying her.

Complex object

3

政府はこの問題を真剣に取り上げるべきだ。

The government should take up this issue seriously.

Should/Ought to

4

真剣に話し合えば、解決できるはずです。

If we talk seriously, we should be able to solve it.

Conditional 'ba'

5

彼は冗談ではなく、真剣に言っているのだ。

He's not joking; he's saying it seriously.

Contrastive 'dewa naku'

6

真剣に取り組まないと、成功しません。

If you don't tackle it seriously, you won't succeed.

Negative conditional

7

プロとして真剣に仕事に向き合っている。

As a professional, I am facing my work seriously.

As a [role]

8

環境問題を真剣に考える人が増えている。

The number of people thinking seriously about environmental issues is increasing.

Relative clause

1

そのプロジェクトに真剣に取り組む決意をした。

I made a resolution to tackle that project seriously.

Decision making

2

彼は真剣な表情で、真剣に語り始めた。

With a serious expression, he began to speak seriously.

Adjective + Adverb

3

真剣に努力する姿は、人々の心を打つ。

The sight of someone striving seriously moves people's hearts.

Abstract subject

4

冗談めかして言ったが、実は真剣に悩んでいる。

I said it jokingly, but actually, I'm seriously worried.

Adverbial 'mekashite'

5

真剣に生きることは、決して楽ではない。

Living seriously is by no means easy.

Gerund-like subject

6

彼は真剣に自分の非を認め、謝罪した。

He seriously admitted his fault and apologized.

Admitting fault

7

この試合には真剣に勝つつもりで挑んでいる。

I am challenging this match with the intention of winning seriously.

Intention 'tsumori'

8

真剣にキャリアを築きたいなら、学び続けなさい。

If you want to build a career seriously, keep learning.

Conditional 'nara'

1

未曾有の危機に対し、国を挙げて真剣に対処している。

The entire nation is seriously dealing with this unprecedented crisis.

Formal register

2

彼は真剣に哲学的な問いと格闘し続けている。

He continues to grapple seriously with philosophical questions.

Abstract metaphor

3

真剣に物事の本質を見極めようとする姿勢が重要だ。

The attitude of trying to seriously discern the essence of things is important.

Volitional + to suru

4

その発言は、真剣に受け止めるに値する。

That statement is worth taking seriously.

Worth doing 'ni atai suru'

5

真剣に自省することで、新たな道が開けるだろう。

By seriously reflecting on oneself, a new path will likely open.

Self-reflection

6

彼女は真剣に、かつ冷静に事態を分析した。

She analyzed the situation seriously and calmly.

Compound adverbs

7

真剣に取り組まない限り、この壁は越えられない。

Unless you tackle it seriously, you cannot overcome this wall.

Unless 'kagiri'

8

彼は真剣に、自らの命を懸けてその使命を全うした。

He seriously fulfilled his mission, risking his own life.

Life-risking expression

1

真剣に「生」を問うことは、現代社会において稀有な行為だ。

Seriously questioning 'existence' is a rare act in modern society.

Philosophical usage

2

真剣に、一切の妥協を排して、究極の美を追求する。

Seriously, excluding all compromise, pursuing ultimate beauty.

Absolute exclusion

3

その政策の是非を、国民は真剣に問うている。

The citizens are seriously questioning the pros and cons of that policy.

Collective subject

4

真剣に、魂を削るような思いで筆を執った。

Seriously, with a feeling like shaving away one's soul, I took up the pen.

Poetic expression

5

真剣に相対するからこそ、衝突も生まれるのだ。

It is precisely because we face each other seriously that conflict arises.

Causal 'kara koso'

6

彼は真剣に、歴史の審判に耐えうる仕事を遺そうとした。

He seriously tried to leave behind work that could withstand the judgment of history.

Historical register

7

真剣に、万感の思いを込めて、彼は最後の一歩を踏み出した。

Seriously, filled with a flood of emotions, he took the final step.

Emotional depth

8

真剣に、虚飾を剥ぎ取った真実の姿をさらけ出す。

Seriously, stripping away all ostentation, revealing the true form.

Metaphorical stripping

Häufige Kollokationen

真剣に考える (Think seriously)
真剣に聞く (Listen seriously)
真剣に話す (Speak seriously)
真剣に取り組む (Tackle seriously)
真剣に悩む (Worry seriously)
真剣に練習する (Practice seriously)
真剣に議論する (Debate seriously)
真剣に付き合う (Date seriously)
真剣に謝る (Apologize seriously)
真剣に戦う (Fight seriously)

Häufige Phrasen

真剣にやって！ (Do it seriously!)
真剣な顔 (A serious face)
真剣そのもの (Seriousness itself)
真剣勝負 (A serious match)
真剣に受け止める (Take seriously)
真剣な眼差し (A serious gaze)
真剣に検討する (Consider seriously)
真剣に愛する (Love seriously)
真剣に怒る (Get seriously angry)
真剣に願う (Wish earnestly)

Wird oft verwechselt mit

真剣に vs 真面目に

Focuses on being a good, rule-following person.

真剣に vs 一生懸命に

Focuses on the amount of effort and 'trying hard'.

真剣に vs 本気に

Focuses on the 'realness' of the feeling, more colloquial.

Redewendungen & Ausdrücke

"真剣勝負 (Shinken shoubu) - A fight with real swords; a do-or-die contest."
"真剣味を帯びる (Shinken-mi o obiru) - To take on a serious air/aspect."
"真剣の沙汰 (Shinken no sata) - A matter of life and death (archaic)."
"目つきが真剣 (Metsuki ga shinken) - Having a serious look in one's eyes."
"真剣に立ち向かう (Shinken ni tachimukau) - To face something head-on with seriousness."
"真剣に耳を傾ける (Shinken ni mimi o katamukeru) - To listen very intently."
"真剣に腰を据える (Shinken ni koshi o sueru) - To settle down and work seriously on something."
"真剣に火花を散らす (Shinken ni hibana o chirasu) - To clash seriously (like sparks flying)."
"真剣に一線を画す (Shinken ni issen o kakusu) - To draw a serious line (distinction)."
"真剣に鎬を削る (Shinken ni shinogi o kezuru) - To compete fiercely/seriously."

Leicht verwechselbar

真剣に vs

真剣に vs

真剣に vs

真剣に vs

真剣に vs

Satzmuster

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So verwendest du es

nuance

Implies a 'sharp' focus like a blade.

frequency

Very high in both spoken and written Japanese.

colloquialism

Often replaced by 'maji de' in very casual youth speech.

Häufige Fehler
  • Using 'shinken ni' for trivial hobbies like 'I seriously like chocolate'.
  • Confusing it with 'shinshi ni' in casual settings (shinshi is too formal).
  • Forgetting the 'ni' and saying 'shinken kangaeru'.
  • Using it to mean 'honest' (use 'shoujiki' instead).
  • Overusing it in every sentence, which dilutes its power.

Tipps

Use for big decisions

When talking about marriage, career, or health, 'shinken ni' is the perfect word to show you care.

The Samurai Spirit

Remember the 'sword' origin to capture the right intensity in your voice.

Don't forget 'ni'

Always add 'ni' when you want to describe how someone is doing an action.

Showing Sincerity

Using 'shinken ni' in an apology makes it sound much more heartfelt.

Pair with 'Kangaeru'

This is the most common pairing. Master 'shinken ni kangaeru' first.

Intonation matters

A flat intonation makes it sound robotic. Put some weight into the word.

Kanji usage

The kanji are relatively simple (真 and 剣). Practice writing them to look professional.

Context clues

If you hear 'shinken', expect the conversation to become more serious immediately.

Not just 'hard'

It's about 'focus'. You can be 'shinken' while sitting perfectly still.

Maji vs Shinken

Use 'maji' with friends, 'shinken' with everyone else.

Einprägen

Wortherkunft

Originally referred to a real steel sword used in combat, as opposed to a wooden sword (bokken) used in training. It evolved to mean the 'real' or 'serious' attitude one has when their life is on the line.

Kultureller Kontext

The 'shinken' attitude is instilled in children from a young age through school clubs (bukatsu).

In Kendo or Aikido, 'shinken' is the mindset required to progress.

Managers expect employees to be 'shinken' during meetings. Joking is often seen as inappropriate.

Im Alltag üben

Kontexte aus dem Alltag

Gesprächseinstiege

"最近、真剣に取り組んでいることはありますか？ (Is there anything you've been working on seriously lately?)"

"将来について真剣に考えたことがありますか？ (Have you ever thought seriously about your future?)"

"真剣な恋愛をしたいですか？ (Do you want to have a serious relationship?)"

"仕事と遊び、どちらを真剣にやりますか？ (Which do you do more seriously, work or play?)"

"真剣に怒った時のことを教えてください。 (Tell me about a time you got seriously angry.)"

Tagebuch-Impulse

今日、一番真剣に取り組んだことは何ですか？ (What did you work on most seriously today?)

なぜ日本人は「真剣」であることを大切にするのだと思いますか？ (Why do you think Japanese people value being 'shinken'?)

あなたが真剣になれる趣味は何ですか？ (What is a hobby you can get serious about?)

真剣に生きるとはどういうことだと思いますか？ (What do you think it means to live seriously?)

最近、真剣に悩んでいることはありますか？ (Is there anything you've been seriously worried about lately?)

Häufig gestellte Fragen

10 Fragen

Usually no, unless it's a very special or professional context. It sounds too heavy for daily eating.

'Maji' is slang. 'Shinken' is the standard, proper word used in all situations.

It is a Na-adjective (shinken-na) and can also function as a noun meaning 'real sword'.

You can say 'Shinken ja nai' or 'Joudan da' (It's a joke).

Yes, it is very common and appropriate to show commitment.

No, in modern Japanese, 99% of the time it means 'serious'.

It's not necessarily stronger, but it's 'sharper'. It implies more focus than just hard work.

Yes, you can tell a child to study 'shinken ni'.

It means a 'serious match' where no one is holding back, like a real sword fight.

It is a nasal 'n' sound, similar to the 'ng' in 'sing' but shorter.

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