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B1 adjective 11分钟阅读

価値ある

kachi aru
例句
解析 価値ある in your Level:
At the A1 level, learners are just beginning to understand basic Japanese vocabulary. The word '価値ある' (kachiaru) is quite advanced for absolute beginners, as it deals with abstract concepts of 'value' and 'worth.' However, it is useful to recognize the kanji '価' (price) and '値' (value). At this stage, beginners usually rely on simpler words like 'いい' (ii - good) or 'たかい' (takai - expensive/high). If a beginner encounters '価値ある', they should simply translate it in their mind as 'very good' or 'important.' The structure is straightforward: it always comes right before a noun. For instance, '価値あるほん' (kachiaru hon) means 'a valuable book.' It is highly recommended that A1 learners focus on recognizing the sound and the general positive feeling of the word rather than trying to use it actively in complex sentences. You might hear it in anime or simple stories when a character finds a treasure or learns an important lesson. Remember, it means something is special and worth keeping or remembering. Do not worry about the grammar of why 'ある' (a verb) is attached to '価値' (a noun) just yet; treat it as one single vocabulary word.
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At the A2 level, learners are constructing more complex sentences and expanding their descriptive vocabulary. '価値ある' (kachiaru) becomes a fantastic tool to elevate your Japanese beyond basic adjectives. You already know '大切な' (taisetsu na - important) and '高い' (takai - expensive). '価値ある' sits right in the middle, meaning 'valuable' or 'worthwhile.' It is used when something has real merit, not just a high price tag. For example, '価値あるけいけん' (kachiaru keiken) means 'a valuable experience.' This is a great phrase to use when talking about your studies or travels. Grammatically, you must remember that it attaches directly to the noun. You do not use 'な' (na) or 'の' (no) with it. Just say '価値ある' plus the thing you are describing. If you want to end a sentence, you cannot say '価値あるです'. You must say '価値があります' (kachi ga arimasu). Practicing this distinction will greatly improve your understanding of how Japanese modifiers work. Start using it in your daily journal to describe things you learned or meaningful conversations you had with friends.
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At the B1 level, '価値ある' (kachiaru) is a core vocabulary item that you should actively use. This level is all about expressing opinions, giving reasons, and discussing abstract ideas like work, education, and personal growth. '価値ある' perfectly encapsulates the idea of something being 'worthwhile' or 'of significant value.' You will frequently use it in phrases like '価値ある情報' (kachiaru jouhou - valuable information) or '価値ある時間' (kachiaru jikan - worthwhile time). It demonstrates a leap from basic conversational Japanese to a more mature, thoughtful register. You should also understand the grammatical mechanics behind it: it is the noun '価値' combined with the verb 'ある', functioning together as a relative clause modifying the subsequent noun. This is why no particle is needed between '価値ある' and the noun. Furthermore, you should be comfortable contrasting it with synonyms like '貴重な' (kichou na - precious/rare) and '有益な' (yuueki na - beneficial). Use '価値ある' when you want to emphasize the inherent merit or deep worth of an experience, an object, or an action. It is highly effective in job interviews, essays, and serious discussions.
At the B2 level, your usage of '価値ある' should become nuanced and highly natural. You are expected to engage in complex discussions about society, business, and philosophy, where evaluating the 'worth' of concepts is commonplace. You should effortlessly deploy phrases like '価値ある投資' (kachiaru toushi - a worthwhile investment) and '価値ある議論' (kachiaru giron - a valuable discussion). At this stage, you must also master its use with adverbs of degree. Phrases like '極めて価値ある' (kiwamete kachiaru - extremely valuable) or '非常に価値ある' (hijou ni kachiaru) should be part of your active repertoire for formal writing and presentations. Additionally, you should be fully aware of the stylistic choice between using '価値ある' as a pre-noun modifier versus '価値がある' as a predicate, and how to nominalize the phrase using 'もの' (mono), as in '価値あるもの' (a valuable thing). Understanding the emotional and cultural weight of the word is also crucial; it conveys deep respect and validation. When you tell a colleague that their contribution was '価値ある', it carries significant professional and personal appreciation.
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At the C1 level, '価値ある' is utilized with absolute precision, often in sophisticated academic, literary, or high-level corporate contexts. You understand that while it is a common phrase, its placement and the vocabulary it pairs with dictate the tone of your entire sentence. You will use it in complex syntactic structures, such as '後世に残すべき価値ある遺産' (a valuable legacy that should be left to future generations). At this level, you are also sensitive to the subtle differences between '価値ある', '意義深い' (igibukai - deeply meaningful), and '有意義な' (yuuigi na - meaningful/productive). You know exactly when to choose '価値ある' to emphasize inherent merit over mere productivity. Furthermore, you can seamlessly integrate it into persuasive arguments, using it to validate counterpoints before asserting your own, e.g., 'それは確かに価値ある視点だが...' (That is certainly a valuable perspective, but...). Your command of the language allows you to use this phrase not just to describe, but to rhetorically elevate the subject matter, demonstrating native-like fluency in both spoken debates and advanced written compositions.
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At the C2 level, '価値ある' is a completely internalized component of your linguistic arsenal, deployed instinctively in any register, from poetic reflections to rigorous academic critiques. You appreciate the morphological elegance of the phrase—how the omission of the particle 'ga' creates a tighter, more literary cohesion between the noun 'kachi' and the verb 'aru', forming an adnominal phrase that feels both classical and modern. You can play with its usage in rhetorical devices, perhaps contrasting '価値ある無駄' (valuable waste/meaningful detours) with '無価値な効率' (worthless efficiency) to make profound philosophical points. You are intimately familiar with its presence in classic Japanese literature, modern journalism, and political discourse. At this mastery level, you do not just know what the word means; you know the cultural topography of the word. You understand how Japanese society values harmony, effort, and long-term benefit, and how '価値ある' perfectly encapsulates these ideals when applied to human endeavor. Your usage is indistinguishable from a highly educated native speaker, characterized by flawless collocation, perfect rhythmic timing in speech, and profound contextual appropriateness.
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例句
The Japanese phrase 価値ある (kachiaru) fundamentally translates to 'valuable,' 'worthwhile,' or 'of value' in English. It is a compound expression formed by combining the noun 価値 (kachi), meaning 'value' or 'worth,' with the verb ある (aru), meaning 'to exist' or 'to have.' When fused together, they function essentially as a pre-noun adjectival phrase (often categorized similarly to a 連体詞 or adnominal modifier) that directly describes the noun that follows it. Understanding the nuances of this word requires delving into both its literal components and its cultural applications in modern Japanese society. The concept of 'value' in Japanese can range from tangible financial worth to deeply personal, emotional, or societal significance. When someone uses 価値ある, they are almost invariably elevating the subject, indicating that it possesses a profound, recognizable merit that justifies attention, effort, or respect. This is not merely about price; in fact, for monetary expense, words like 高価 (kouka - expensive) are preferred. Instead, 価値ある speaks to the inherent quality or the beneficial impact of a thing, experience, or piece of information.
Etymological Breakdown
The word combines 価 (price/value) and 値 (price/cost) to emphasize worth, followed by the existence verb ある.
People use this expression in a wide variety of contexts, ranging from formal business environments to personal reflections. For example, a manager might describe a challenging project as a 'valuable experience' (価値ある経験), implying that despite the difficulties, the skills and insights gained far outweigh the struggles.

それは非常に価値ある提案ですね。

In academic or intellectual circles, researchers might refer to 'valuable data' (価値あるデータ) or a 'valuable discovery' (価値ある発見), highlighting the contribution the findings make to the broader field of study. The usage extends beautifully into philosophical or motivational speech as well. You will frequently hear motivational speakers or read self-help books that discuss living a 'worthwhile life' (価値ある人生). Here, the phrase transcends utility and touches upon existential fulfillment and purpose.

失敗もまた、価値ある教訓となる。

It is also crucial to distinguish between 価値ある and the longer phrase 価値がある (kachi ga aru). While they mean the same thing, 価値ある is structurally tighter and feels slightly more literary, formal, or emphatic when placed before a noun.
Grammatical Nuance
Dropping the particle 'ga' creates a more cohesive, compound-like modifier that flows seamlessly into the noun.
For English speakers, grasping this distinction is akin to understanding the difference between saying 'a thing of value' versus 'a valuable thing.'

君の時間は価値あるものだ。

Furthermore, the emotional resonance of the word makes it a powerful tool for expressing gratitude or validation. Telling someone that their contribution was 価値ある is a profound compliment that validates their effort and existence. In everyday conversation, while it might sound a bit stiff for casual banter among close friends (where one might just say すごい or 大事), it remains a staple in professional, public, and written discourse.
Register and Tone
Highly appropriate for business, formal writing, speeches, and serious discussions about life, ethics, or strategy.
To truly master Japanese, one must learn not just the translation of words, but their weight. 価値ある carries significant weight.

これは次世代に残すべき価値ある遺産です。

Ultimately, incorporating this phrase into your vocabulary will immediately elevate your spoken and written Japanese, allowing you to articulate complex appreciations of worth, merit, and significance with native-like elegance and precision.

読書は最も価値ある投資の一つである。

Mastering the usage of 価値ある in sentences requires a solid understanding of Japanese noun modification. Unlike standard i-adjectives (like 高い) or na-adjectives (like 綺麗な), 価値ある functions as an unbreakable unit that directly precedes a noun. It is structurally composed of a noun and a verb, but it behaves as an adnominal modifier.
Basic Structure
The formula is strictly: [価値ある] + [Noun]. You cannot insert particles like 'na' or 'no' between them.
For instance, if you want to say 'valuable information,' you simply place the phrase before the noun for information: 価値ある情報 (kachiaru jouhou).

彼はいつも価値ある情報を提供してくれる。

This direct modification makes the sentence sound concise, professional, and sophisticated. It is extremely common to see this pattern in business emails, news articles, and academic papers. Another vital aspect of using this phrase is knowing how to handle it at the end of a sentence. Because 価値ある is specifically designed to modify a following noun, you cannot simply end a sentence with it as you would with a regular adjective. You cannot say 'Kono hon wa kachiaru desu.'
Sentence Final Usage
If you must use it as the predicate, you must revert to the standard phrase: 価値がある (kachi ga aru).
Therefore, 'This book is valuable' translates to この本は価値がある (Kono hon wa kachi ga aru).

その絵画は非常に価値ある芸術作品だ。

However, if you want to maintain the poetic or formal tone of 価値ある at the end of a sentence, you can append a dummy noun like もの (mono - thing). Thus, この本は価値あるものだ (Kono hon wa kachiaru mono da) becomes a perfectly grammatical and highly eloquent alternative.

私たちの友情は、何よりも価値ある宝物です。

You can also modify this phrase with adverbs of degree, though it requires careful placement. Since 価値 is a noun, you typically place the degree modifier before the entire phrase. For example, 'extremely valuable' becomes 非常に価値ある (hijou ni kachiaru) or とても価値ある (totemo kachiaru). Let us explore negative forms. How do you say 'not valuable'? Because 価値ある is a set affirmative phrase, you generally do not negate the ある part while keeping it as a tight pre-noun modifier. Instead, you use the antonym phrase 価値のない (kachi no nai) or 無価値な (mukachi na).
Negation Strategy
Do not attempt to say 価値ない (kachinai) as a single word modifier; always use 価値のない (kachi no nai) for natural flow.

それは社会にとって価値ある貢献でした。

By consistently practicing the [価値ある + Noun] pattern, learners will quickly find their Japanese sounding much more native, especially in written formats. Whether you are describing a 'valuable lesson' (価値ある教訓), a 'valuable asset' (価値ある資産), or a 'valuable meeting' (価値ある会議), the structural simplicity combined with the semantic depth makes this phrase an indispensable tool in any intermediate to advanced learner's arsenal.

毎日少しずつ学ぶことが、価値ある未来を創る。

The phrase 価値ある is ubiquitous in environments that demand a certain level of intellectual, professional, or emotional gravity. It is not the kind of word you typically hear children shouting on a playground, nor is it common in extremely casual street slang. Instead, it thrives in spaces where people are evaluating, analyzing, or deeply appreciating something.
Business and Corporate Settings
In meetings, presentations, and performance reviews, this phrase is a cornerstone of corporate Japanese.
When a company launches a new product, marketing materials will often describe it as providing a 'valuable experience' (価値ある体験) to the consumer. During negotiations, a diplomat or businessperson might refer to a 'valuable partnership' (価値あるパートナーシップ).

本日は皆様と価値ある意見交換ができました。

Moving into the realm of academia and education, professors and teachers frequently use this phrase to encourage students or to validate research. A thesis advisor might praise a student's hard work by calling their findings 'valuable research' (価値ある研究). Another prominent domain is the self-help and motivational industry. Japanese bookstores are filled with titles concerning self-improvement, mindfulness, and career success. In these books, authors constantly exhort readers to spend their time on 'worthwhile endeavors' (価値ある取り組み) and to build a 'worthwhile life' (価値ある人生).

自分自身への投資こそが、最も価値あるお金の使い方だ。

Literature and Media
Novelists and journalists utilize the phrase to add narrative weight to objects, relationships, or historical events.
In news broadcasts, anchors might report on the recovery of 'valuable cultural properties' (価値ある文化財) after a disaster. The tone of the word fits perfectly with the objective yet respectful cadence of Japanese journalism.

その遺跡から、歴史的に価値ある遺物が多数発掘された。

You will also encounter it in reviews and critiques. Whether someone is reviewing a movie, a restaurant, or a software application, if they found the experience truly exceptional and worth the time or money, they will summarize it as a 'valuable piece of work' (価値ある作品). Finally, in personal, heartfelt moments, such as wedding speeches or farewell addresses, people use this phrase to express deep appreciation. A departing colleague might reflect on their time at the company as a 'valuable period' (価値ある時間).

皆様と共に働けたことは、私にとって価値ある財産です。

Everyday Reflections
Even in daily life, individuals might use it internally or in diaries to validate their own hard work and struggles.
By recognizing these contexts, learners can begin to deploy the word not just accurately, but with the appropriate cultural and emotional resonance.

困難を乗り越えた経験は、必ず価値あるものになる。

When English speakers learn the phrase 価値ある, they frequently encounter several grammatical and semantic pitfalls. Because English adjectives are highly flexible in their placement, learners often attempt to map English grammatical rules onto this specific Japanese phrase, leading to unnatural or entirely incorrect sentences.
Mistake 1: Treating it as a Na-Adjective
Many learners assume that because it translates to an adjective, it must take 'na' before a noun. Saying 価値あるな経験 (kachiaru na keiken) is grammatically incorrect.
The word ある is a verb. In Japanese, verbs modify nouns directly without the intervention of a copula or particle like 'na' or 'no'. Therefore, it must strictly be 価値ある経験.

✖ 価値あるな本
〇 価値ある本

Another highly common error occurs at the end of sentences. Learners often try to use 価値ある as the main predicate, saying things like 'Kono keiken wa kachiaru desu.'

✖ この情報は価値あるです。
〇 この情報は価値があります。

Mistake 2: Confusing Worth with Price
Learners sometimes use 価値ある when they merely mean 'expensive' or 'costly.'
If you are talking about a luxury watch or a high-end car purely in terms of its price tag, using 価値ある might sound strange unless you are emphasizing that it is a 'worthwhile investment' rather than just 'expensive.' For purely high-priced items, 高価な (kouka na) or 高い (takai) is much more appropriate.

✖ このりんごは価値ある。（When meaning it costs a lot of money）
〇 このりんごは高い。

Furthermore, learners sometimes struggle with the negative form. Because 価値ある feels like a single word, they might try to conjugate the ある part directly into a negative modifier, resulting in awkward phrasing.

✖ 価値ない情報
〇 価値のない情報

Mistake 3: Overuse in Casual Speech
Using this phrase for trivial, everyday things can sound overly dramatic or unnatural.
If you say 'This is a valuable hamburger' (価値あるハンバーガー) just because it tastes good, native speakers will find it humorous or weirdly formal. Reserve the phrase for things that genuinely possess significant merit, impact, or profound worth. For everyday 'good' things, stick to いい (ii), 素晴らしい (subarashii), or 最高 (saikou).

✖ 価値あるゲームだった！（For a casual video game match）
〇 いいゲームだった！

By avoiding these common traps—respecting its grammatical role as a strict pre-noun modifier, distinguishing it from mere monetary cost, and reserving it for appropriately weighty contexts—learners will utilize this powerful phrase with the exact precision and elegance of a native speaker.
The Japanese language is incredibly rich in vocabulary related to worth, importance, and value. While 価値ある is an excellent and versatile phrase, knowing its synonyms and when to use them instead will dramatically improve your fluency and expressive capability. Let us explore the most common alternatives and their specific nuances.
貴重な (Kichou na)
Translates to 'precious' or 'rare.' Use this when the value comes from scarcity or irreplaceability.
While 価値ある focuses on inherent merit or usefulness, 貴重な emphasizes that something is hard to come by. For example, 'precious time' is almost always 貴重な時間 (kichou na jikan), not 価値ある時間, because time is fleeting and cannot be replaced.

皆様の貴重なご意見を感謝します。

有益な (Yuueki na)
Translates to 'beneficial' or 'profitable.' Use this when the value is strictly utilitarian or educational.
If you read a book and learn a lot of practical skills from it, it is 有益な本 (yuueki na hon). 価値ある is slightly broader and more emotional, whereas 有益 is analytical and outcome-focused. You will see this frequently in business and academic contexts.

そのセミナーは非常に有益なものでした。

大切な (Taisetsu na) / 重要な (Juuyou na)
Translate to 'important' or 'crucial.'
大切な is softer, more emotional, and used for personal importance (like family or a treasured keepsake). 重要な is objective, formal, and used for critical matters (like a key piece of evidence or a major business decision). Neither explicitly means 'valuable' in the sense of merit, but they overlap significantly in usage.

これはプロジェクトにおいて重要な要素です。

Another excellent alternative is 意義深い (igibukai), which translates to 'deeply meaningful' or 'significant.' This is a highly formal, literary word often used when describing historical events, profound ceremonies, or monumental achievements. While 価値ある implies worth, 意義深い implies that the worth comes from a deep, underlying meaning or historical consequence.

両国の平和条約締結は、非常に意義深い出来事であった。

Conversely, if you want to express the opposite, words like 無価値な (mukachi na - worthless), くだらない (kudaranai - trivial/stupid), or つまらない (tsumaranai - boring/insignificant) serve as strong antonyms. Understanding this spectrum—from the profoundly meaningful 意義深い, to the inherently worthy 価値ある, to the strictly beneficial 有益な—allows a speaker to perfectly calibrate their message.

そのような無価値な議論に時間を割くべきではない。

By diversifying your vocabulary with these alternatives, you ensure that your Japanese remains dynamic, contextually accurate, and highly expressive.
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按水平分级的例句

1

これは価値ある本です。

This is a valuable book.

Used directly before the noun 'hon' (book).

2

価値あるものを買いました。

I bought something valuable.

Modifying 'mono' (thing).

3

それは価値ある話ですね。

That is a valuable story/talk.

Modifying 'hanashi' (story/talk).

4

価値ある時間をありがとう。

Thank you for the valuable time.

Modifying 'jikan' (time).

5

価値ある絵を見ました。

I saw a valuable painting.

Modifying 'e' (painting).

6

とても価値ある石です。

It is a very valuable stone.

'Totemo' (very) modifies the whole phrase.

7

価値あるデータがあります。

There is valuable data.

Modifying 'deeta' (data).

8

価値あるアドバイスでした。

It was valuable advice.

Modifying 'adobaisu' (advice).

1

留学は価値ある経験でした。

Studying abroad was a valuable experience.

Modifying 'keiken' (experience).

2

この時計は古いですが、価値あるものです。

This watch is old, but it is a valuable thing.

Using 'mono' to end the sentence cleanly.

3

価値ある情報を見つけました。

I found valuable information.

Modifying 'jouhou' (information).

4

彼との出会いは価値あるものでした。

Meeting him was a valuable thing.

Reflecting on an event's worth.

5

これはお金より価値あるものです。

This is something more valuable than money.

Comparative usage with 'yori'.

6

価値ある仕事をしたいです。

I want to do valuable work.

Expressing desire with 'shitai'.

7

失敗も価値ある勉強になります。

Even failure becomes a valuable lesson.

Modifying 'benkyou' (study/lesson).

8

価値ある意見を聞かせてください。

Please let me hear your valuable opinions.

Formal request using 'kikasete kudasai'.

1

この本には、人生において価値ある教訓が書かれている。

This book contains valuable lessons for life.

Modifying 'kyoukun' (lesson).

2

ボランティア活動は、社会にとって価値ある取り組みだ。

Volunteer work is a worthwhile endeavor for society.

Using 'ni totte' (for).

3

非常に価値ある提案をしていただき、感謝します。

I appreciate you making an extremely valuable proposal.

Modified by 'hijou ni' (extremely).

4

歴史的に価値ある建造物が火災で失われた。

A historically valuable building was lost in a fire.

Modified by 'rekishiteki ni' (historically).

5

困難を乗り越えた経験は、必ず価値ある財産になる。

The experience of overcoming difficulties will surely become a valuable asset.

Modifying 'zaisan' (asset/property).

6

彼らは価値ある議論を何時間も続けた。

They continued a valuable discussion for hours.

Modifying 'giron' (discussion).

7

それは単なるデータではなく、価値ある知識です。

It is not mere data, but valuable knowledge.

Contrast using 'de wa naku' (not A, but B).

8

自分自身の成長のために、価値ある時間を使いたい。

I want to spend valuable time for my own growth.

Using 'tame ni' (for the sake of).

1

その研究は、医学界において極めて価値ある発見をもたらした。

That research brought about an extremely valuable discovery in the medical field.

Modified by 'kiwamete' (extremely).

2

目先の利益にとらわれず、真に価値あるものを見極める力が必要だ。

We need the ability to discern what is truly valuable, without being caught up in short-term profits.

Modified by 'shin ni' (truly).

3

多様な価値観に触れることは、人間形成において価値ある経験となる。

Experiencing diverse values becomes a valuable experience in character building.

Complex subject using nominalization 'koto'.

4

このプロジェクトへの参加は、私のキャリアにおいて最も価値あるステップでした。

Participating in this project was the most valuable step in my career.

Superlative using 'mottomo' (most).

5

一見無駄に思える作業の中にも、価値あるヒントが隠されていることがある。

Even in tasks that seem useless at first glance, valuable hints are sometimes hidden.

Contrast phrasing '一見...の中にも' (Even in...).

6

顧客に価値あるサービスを提供し続けることが、企業の使命である。

Continuing to provide valuable services to customers is the mission of a company.

Continuous action 'teikyou shi tsuzukeru'.

7

彼は、後世に伝えるべき価値ある芸術作品を数多く残した。

He left behind many valuable works of art that should be passed down to future generations.

Modifying a noun clause '伝えるべき' (should pass down).

8

失敗を恐れずに挑戦すること自体が、非常に価値ある行動と言える。

The very act of taking on challenges without fearing failure can be said to be an extremely valuable action.

Using 'to ieru' (can be said).

1

現代社会において、正確で偏りのない情報は最も価値ある資源の一つと見なされている。

In modern society, accurate and unbiased information is considered one of the most valuable resources.

Passive construction 'minasarete iru' (is considered).

2

その遺跡の発掘は、古代文明の謎を解明する上で計り知れないほど価値ある成果を上げた。

The excavation of those ruins yielded immeasurably valuable results in unraveling the mysteries of ancient civilization.

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