At the A1 level, learners are introduced to the most basic adjectives necessary for describing their immediate physical environment. The word 平らな (taira na), meaning flat or level, is a highly practical addition to a beginner's vocabulary. At this stage, the primary focus is on understanding its meaning and learning how to use it to describe simple objects and places. Learners will practice pairing 平らな with common nouns they already know, such as 道 (michi - road), 机 (tsukue - desk), and 床 (yuka - floor). The grammatical focus is on mastering the na-adjective pattern. Students must remember to include the particle な (na) when the adjective comes directly before a noun, forming phrases like 平らな道 (taira na michi - a flat road). They also learn to use it as a predicate with the polite copula です (desu), as in この道は平らです (Kono michi wa taira desu - This road is flat). Simple negative forms are also introduced, such as 平らではありません (taira de wa arimasen - it is not flat), to help learners express contrast. At A1, the vocabulary is kept concrete and literal. Metaphorical uses or complex collocations are avoided. The goal is simply to enable the learner to look at a surface and accurately state whether it is flat or bumpy. Teachers might use visual aids, showing pictures of a smooth, flat table versus a rocky, uneven path, to reinforce the concept. Practice exercises typically involve basic fill-in-the-blank sentences, matching pictures to descriptions, and simple translation tasks. By mastering 平らな at the A1 level, students build a solid foundation for more complex descriptive language in the future, allowing them to navigate basic conversations about their surroundings, give simple directions, and describe everyday objects with greater accuracy.
As learners progress to the A2 level, their ability to describe the world becomes more nuanced, and their use of 平らな (taira na) expands accordingly. At this stage, students are expected to use the word in slightly more complex sentence structures and in a wider variety of everyday contexts. They move beyond simple descriptions of desks and floors to discussing geography, travel, and daily activities. For example, they might use 平らな when talking about finding a good place to have a picnic or describing the terrain of a cycling route: 自転車に乗るから、平らな道がいいです (Jitensha ni noru kara, taira na michi ga ii desu - Because I'm riding a bicycle, a flat road is good). Grammatically, A2 learners begin to use the adverbial form, 平らに (taira ni), paired with verbs. They learn the highly useful phrase 平らにする (taira ni suru - to make flat/to flatten), which is essential for describing actions like cooking (flattening dough) or doing chores. They also practice using 平らな in comparative sentences, such as AはBより平らです (A wa B yori taira desu - A is flatter than B). The vocabulary surrounding the word expands to include terms like 土地 (tochi - land), 表面 (hyoumen - surface), and 場所 (basho - place). A2 learners also become more comfortable with casual speech forms, using だ (da) and じゃない (ja nai) instead of です (desu) and ではありません (de wa arimasen) in appropriate contexts. The focus remains on practical, physical descriptions, but the situations become more dynamic and interactive. Exercises at this level might involve reading short passages about travel or geography, listening to conversations where people choose a location based on its flatness, and writing short paragraphs describing a park or a room.
At the B1 level, learners are expected to have a solid grasp of basic grammar and vocabulary, allowing them to express themselves more fluently and accurately. The use of 平らな (taira na) at this stage involves greater precision and an understanding of its subtle nuances compared to similar words. B1 students learn to distinguish 平らな from words like 水平な (suihei na - horizontal) and 滑らかな (nameraka na - smooth). They understand that a surface can be flat without being horizontal, and they can articulate this difference in Japanese. The contexts in which they use the word become more specialized, touching on topics like DIY projects, basic construction, and detailed geographical descriptions. For instance, they might explain the process of leveling ground for a garden: 庭に花を植える前に、土を平らにしなければなりません (Niwa ni hana o ueru mae ni, tsuchi o taira ni shinakereba narimasen - Before planting flowers in the garden, we must flatten the soil). B1 learners also encounter 平らな in reading materials such as news articles, instructional manuals, and travel blogs. They are expected to understand the word when it is used in longer, more complex sentences involving relative clauses and conditional statements. Furthermore, they begin to recognize the kanji 平 and understand its core meaning of peace and flatness, helping them to deduce the meanings of related vocabulary words like 平和 (heiwa - peace) and 平日 (heijitsu - weekday). Exercises at the B1 level challenge students to use the word in context, such as writing instructions for a recipe that requires flattening ingredients, or participating in role-plays where they must describe the condition of a rented apartment or a piece of furniture.
Reaching the B2 level signifies a high degree of independence and proficiency in Japanese. At this stage, learners use 平らな (taira na) with natural fluency, integrating it seamlessly into complex discussions and written texts. They are fully aware of its collocations and can use it in idiomatic or slightly metaphorical ways, although its primary use remains physical. B2 students can discuss topics like urban planning, architecture, and environmental issues, where the topography of the land is a key factor. They might use more advanced vocabulary alongside 平らな, such as 整備する (seibi suru - to maintain/prepare) or 舗装する (hosou suru - to pave). For example: この道路は新しく舗装され、非常に平らで走りやすい (Kono douro wa atarashiku hosou sare, hijou ni taira de hashiriyasui - This road has been newly paved and is extremely flat and easy to drive on). They also comfortably use the formal equivalent 平坦な (heitan na) when appropriate, understanding the register differences between the two words. In reading and listening, B2 learners can easily comprehend technical descriptions or literary passages that utilize the word to set a scene or describe a setting. They are also adept at using the adverbial form 平らに in complex instructions or descriptions of processes. Exercises at this level might involve analyzing texts about Japanese geography, debating the pros and cons of building on flat versus mountainous terrain, or writing detailed reports that require precise descriptive language. The focus is on accuracy, appropriateness of register, and the ability to express complex thoughts clearly and effectively.
At the C1 level, learners possess an advanced, near-native command of the language. Their use of 平らな (taira na) is characterized by complete grammatical accuracy, a deep understanding of nuance, and the ability to use the word in a wide range of sophisticated contexts. C1 students effortlessly navigate the subtle distinctions between 平らな, 平坦な, 水平な, and other related terms, choosing the exact right word for the specific situation. They can understand and use the word in abstract or metaphorical contexts, such as describing a flat, emotionless tone of voice or a completely egalitarian, 'flat' organizational structure, although they recognize that the loanword フラット (furatto) is often preferred for the latter. They can read complex literature, academic papers, and technical documents where precise descriptions of surfaces and topography are crucial. For example, in a text about geology or civil engineering, they would perfectly comprehend the implications of a 平らな地層 (taira na chisou - flat geological stratum). Their spoken Japanese is fluent and natural, and they can use 平らな spontaneously in debates, presentations, or professional discussions. Exercises at the C1 level are highly demanding, often involving the translation of nuanced literary texts, the writing of academic essays on geography or urban development, or the analysis of subtle linguistic differences in advanced reading comprehension tasks. The goal at this level is not just to communicate, but to communicate with elegance, precision, and a deep cultural and linguistic understanding.
The C2 level represents mastery of the Japanese language, equivalent to that of a highly educated native speaker. At this ultimate stage, the learner's understanding and usage of 平らな (taira na) are absolute. They possess an intuitive grasp of the word's etymology, its historical usage, and its deepest cultural connotations. They can effortlessly employ the word in any context, from the most casual slang to the most rigorous academic discourse, adjusting their register perfectly. C2 learners can appreciate the aesthetic and literary use of the word in poetry and classic literature, understanding how the concept of flatness or evenness might symbolize peace, stagnation, or equality depending on the author's intent. They are fully capable of discussing the intricate details of traditional Japanese architecture, such as the precise leveling required for tatami mats or shoji screens, using highly specialized vocabulary alongside 平らな. They can also engage in complex linguistic discussions about the word itself, analyzing its morphology and its relationship to other kanji compounds containing the character 平. Errors in usage or pronunciation are virtually non-existent. Exercises at the C2 level might involve critiquing literary translations, writing professional-level articles or essays, or participating in high-level academic debates where precise descriptive language is paramount. For a C2 learner, 平らな is not just a vocabulary word to be memorized; it is a fully integrated tool for expressing complex thoughts and describing the world with absolute clarity and sophistication.

平らな en 30 segundos

  • A na-adjective meaning 'flat' or 'level'.
  • Requires 'na' before nouns (平らな道).
  • Used for physical surfaces like roads, desks, and land.
  • Can be made into an adverb with 'ni' (平らにする - to flatten).
The Japanese adjective 平らな (taira na) is a fundamental vocabulary word that translates primarily to 'flat,' 'level,' or 'even.' It is categorized as a na-adjective (形容動詞 - keiyoudoushi), which means it requires the particle な (na) when directly modifying a noun, such as in the phrase 平らな道 (taira na michi - a flat road). Understanding the concept of flatness in Japanese extends beyond mere physical descriptions; it encompasses the absence of obstacles, the smoothness of a surface, and occasionally, metaphorical evenness. When we examine the kanji 平 (hei, byou, taira, hira), we see a character that inherently represents peace, flatness, and equality. This character is used in words like 平和 (heiwa - peace) and 平等 (byoudou - equality), which conceptually link the idea of a 'level' surface to a 'level' or peaceful state of affairs. In daily life, you will frequently encounter 平らな when discussing geography, construction, furniture, and everyday objects. For instance, when looking for a place to pitch a tent while camping, finding a flat surface is crucial.

テントを張るために、平らな場所を探しましょう。

This sentence highlights the practical application of the word. Furthermore, the word is not limited to large geographical features. It can describe a tabletop, a piece of paper, or a floor.
Physical Surfaces
Used to describe roads, floors, and fields that lack bumps or inclines.
The versatility of 平らな makes it an essential word for learners at the A2 level, as it allows for more detailed and accurate descriptions of one's surroundings. Beyond physical surfaces, the concept of being level is important in various traditional Japanese contexts, such as the construction of tatami rooms, where a perfectly even floor is required.

この床は完全に平らな状態に保たれています。

The precision implied by the word is significant. When a surface is described as 平らな, it suggests a degree of uniformity and smoothness that is pleasing or necessary for a specific function.
Metaphorical Usage
Occasionally used to describe situations that are straightforward or without complications, though less common than physical usage.
It is also important to distinguish 平らな from similar words like 平坦な (heitan na), which is more formal and often used for larger geographical areas, or 水平な (suihei na), which specifically means horizontal.

地震の後、土地を平らな状態に戻す作業が始まりました。

This example shows the word used in the context of restoration and leveling. The process of making something flat is a common action, whether in cooking (flattening dough), construction, or landscaping.

生地を麺棒で平らな形に伸ばします。

In this culinary context, the word perfectly describes the desired outcome of rolling out dough.
Action Result
Describes the state achieved after pressing, rolling, or paving something.
Finally, the visual and tactile aspects of a flat surface are deeply embedded in the word's usage. A flat road is easy to walk on, a flat desk is easy to write on, and a flat field is easy to build on.

自転車で走るには、平らな道が一番です。

By mastering 平らな, learners gain the ability to articulate the physical characteristics of their environment with clarity and precision, enhancing their overall communicative competence in Japanese.
Using 平らな (taira na) correctly involves understanding its grammatical function as a na-adjective and its typical collocations. As a na-adjective, it follows specific conjugation patterns that differ from i-adjectives. When modifying a noun, the 'na' is essential. For example, 'a flat stone' is 平らな石 (taira na ishi). If you omit the 'na' and say 'taira ishi', it is grammatically incorrect and sounds unnatural to native speakers.

彼は川で水切りをするために、平らな石を探した。

When used as a predicate at the end of a sentence, the 'na' is dropped, and it is followed by the copula だ (da) for casual speech or です (desu) for polite speech. For instance, 'This table is flat' translates to この机は平らだ (Kono tsukue wa taira da) or この机は平らです (Kono tsukue wa taira desu).
Predicate Form
Use 平らだ (casual) or 平らです (polite) at the end of a sentence.
Another crucial usage is the adverbial form, which is created by replacing 'na' with 'ni'. 平らに (taira ni) means 'flatly' or 'evenly'. This form is frequently paired with verbs like する (suru - to do/make) or なる (naru - to become). 平らにする (taira ni suru) means 'to make something flat' or 'to flatten', while 平らになる (taira ni naru) means 'to become flat'.

工事現場の土をブルドーザーで平らな状態にしました。

In negative sentences, the conjugation follows the standard na-adjective rules: 平らではない (taira de wa nai) or 平らじゃない (taira ja nai) for casual speech, and 平らではありません (taira de wa arimasen) or 平らじゃないです (taira ja nai desu) for polite speech.

この山道は全く平らなところがなく、歩くのが大変だ。

Negative Form
Expresses that a surface is bumpy, uneven, or sloped.
Past tense forms are 平らだった (taira datta) and 平らでした (taira deshita). For example, 'The road used to be flat' would be 昔、その道は平らでした (Mukashi, sono michi wa taira deshita). It is also common to use 平らな with nouns related to geography and infrastructure, such as 土地 (tochi - land), 道 (michi - road), 表面 (hyoumen - surface), and 床 (yuka - floor).

新しい家を建てるために、平らな土地を購入しました。

You might also encounter the word in comparative sentences. For example, 'This road is flatter than that one' translates to この道はあの道より平らです (Kono michi wa ano michi yori taira desu).
Comparisons
Use the AはBより (A wa B yori) structure to compare the flatness of two surfaces.
Understanding these grammatical structures and collocations will enable you to use 平らな accurately and naturally in a wide variety of contexts, from casual conversations about hiking trails to more formal discussions about real estate or construction.

お皿を置くために、テーブルの平らな部分を使ってください。

Mastering these usage patterns is a key step in achieving fluency at the A2 and B1 levels.
The adjective 平らな (taira na) is ubiquitous in everyday Japanese life, appearing in a wide array of contexts ranging from casual daily conversations to specialized fields like construction, geography, and cooking. One of the most common places you will hear this word is in discussions about travel, transportation, and outdoor activities. Japan is a mountainous country, with over 70% of its landmass covered by mountains and forests. Therefore, distinguishing between steep, rugged terrain and flat, accessible land is a frequent topic of conversation.

日本は山が多いので、平らな土地はとても貴重です。

When hiking, camping, or cycling, people constantly look for flat areas. A cyclist might ask if a route is flat to gauge its difficulty, while a camper needs a flat spot to sleep comfortably.
Outdoor Recreation
Frequently used when evaluating terrain for activities like camping, hiking, and cycling.
In the realm of real estate and construction, 平らな is a critical term. The value of land in Japan is heavily influenced by its topography. Flat land is easier and cheaper to build on, making it highly sought after. Real estate agents and architects frequently use this word when discussing plots of land or the foundation of a building.

この地域は平らな場所が多いので、住宅地として人気があります。

You will also hear 平らな in the kitchen. Cooking often involves manipulating the shape of ingredients. Recipes might instruct you to flatten dough, press a hamburger patty until it is flat, or ensure a cake bakes evenly with a flat top.

ハンバーグを焼く前に、真ん中を少し凹ませて全体を平らな形にします。

Culinary Contexts
Used when preparing dough, meat patties, or arranging food evenly on a plate.
Another common context is in sports, particularly those played on a field or court. A flat surface is essential for fair play in soccer, tennis, or golf (on the putting green). Commentators or players might remark on the condition of the playing surface, noting whether it is perfectly flat or uneven.

このテニスコートはとても平らなので、ボールのバウンドが安定しています。

Furthermore, in everyday household chores and DIY projects, the concept of flatness is important. When assembling furniture, hanging a picture, or ironing clothes, achieving a flat, level result is the goal. You might hear someone say they need to iron a shirt to make it flat and wrinkle-free.
Household Chores
Used when ironing clothes, smoothing bedsheets, or leveling furniture.

アイロンをかけて、シャツを平らな状態に仕上げました。

Whether you are watching a cooking show, talking to a real estate agent, planning a cycling trip, or just doing chores around the house, 平らな is a highly practical word that you will encounter frequently in spoken and written Japanese.
When learning the adjective 平らな (taira na), students often make several predictable mistakes, primarily related to its grammatical classification, pronunciation, and nuance compared to similar words. The most frequent error is forgetting that it is a na-adjective. Because many common Japanese adjectives end in 'i' (like 高い takai, 安い yasui), learners sometimes mistakenly treat 平ら (taira) as a noun or an i-adjective. They might say 'taira michi' instead of the correct 平らな道 (taira na michi).

❌ taira michi
平らな道 (taira na michi)

Missing Particle
Always include 'na' when modifying a noun directly.
Another common grammatical mistake occurs in the negative form. Learners might try to conjugate it like an i-adjective, resulting in the incorrect 'tairanai' or 'tairakunai'. The correct negative forms are 平らではない (taira de wa nai) or 平らじゃない (taira ja nai).

❌ この道は平らくない。
⭕ この道は平らな道ではない。(または、平らではない)

Pronunciation can also be a stumbling block. The word is pronounced 'ta-i-ra', with three distinct morae (beats). Sometimes learners rush the pronunciation, blending the 'a' and 'i' into a diphthong that sounds like the English word 'tie', resulting in 'tie-ra'. It is important to pronounce each vowel clearly: ta-i-ra.
Pronunciation Error
Ensure you pronounce all three syllables distinctly: ta-i-ra, not tie-ra.
Furthermore, learners often confuse 平らな with words that have similar but distinct meanings, such as 水平な (suihei na - horizontal) or 平坦な (heitan na - flat/even, usually for land). While a floor can be both 平ら (flat) and 水平 (horizontal), a wall can be 平ら (flat/smooth) but it is 垂直 (suichoku - vertical), not 水平. Using 水平な to describe a smooth wall would be incorrect.

❌ この壁は水平だ。
⭕ この壁は平らな表面をしている。

Another nuance issue arises when describing abstract concepts. While English uses 'flat' metaphorically (e.g., a flat tire, a flat note in music, a flat market), 平らな cannot be used in all these contexts. A flat tire is パンクしたタイヤ (panku shita taiya), not 平らなタイヤ. A flat note is 音が外れている (oto ga hazurete iru) or フラット (furatto).

❌ 車のタイヤが平らになった。
⭕ 車のタイヤがパンクした。(物理的に平らな状態になったわけではない)

Metaphorical Limits
Do not translate English idioms using 'flat' directly to 平らな.
By being aware of these grammatical rules, pronunciation details, and semantic boundaries, learners can avoid these common pitfalls and use 平らな with confidence and accuracy.
The Japanese language offers several words that share the concept of flatness, evenness, or levelness with 平らな (taira na). Understanding the subtle differences between these synonyms is crucial for advancing your vocabulary and choosing the most appropriate word for a given context. One of the most closely related words is 平坦な (heitan na). While 平らな is an everyday word used for objects of all sizes (a desk, a stone, a road), 平坦な is a more formal, academic, or literary term primarily used to describe large geographical areas, such as plains, fields, or long stretches of road.

この地域は平らな(平坦な)土地が広がっている。

平坦な (heitan na)
Formal; used mostly for large-scale geography or metaphorical lack of events (e.g., a flat, uneventful life).
Another important distinction is with 水平な (suihei na), which specifically means 'horizontal.' A surface can be 平らな (flat, lacking bumps) even if it is tilted at a 45-degree angle. However, it is only 水平な if it is perfectly parallel to the horizon. For example, a smooth ramp is 平ら but not 水平.

棚を取り付けるときは、平らな板を水平に保つことが重要です。

The word なだらかな (nadaraka na) is also related but means 'gently sloping' or 'smooth.' It is often used for hills or inclines that are not steep. While a なだらかな hill is not completely 平らな, it shares the concept of lacking harsh, jagged, or abrupt changes in elevation.

急な坂ではなく、なだらかで平らな道を選んで歩いた。

なだらかな (nadaraka na)
Gently sloping; smooth and easy to traverse, but not perfectly flat.
In the context of smoothness, 滑らかな (nameraka na) is frequently used. While 平らな focuses on the macro-level evenness (no big bumps or dips), 滑らかな focuses on the micro-level texture (smooth to the touch, like silk or polished glass). A surface can be both 平ら and 滑らか, but a flat piece of rough sandpaper is 平ら but not 滑らか.

このテーブルは平らなだけでなく、表面がとても滑らかだ。

Finally, the loanword フラット (furatto) is increasingly common in modern Japanese. It is used in many of the same contexts as 平らな, especially regarding technology (flat screens), music (flat notes), and sometimes social structures (a flat organization without strict hierarchy).

最近のテレビは画面が完全に平らなフラットパネルが主流です。

フラット (furatto)
Modern loanword; used for technology, music, and metaphorical equality.
By distinguishing between 平らな, 平坦な, 水平な, なだらかな, 滑らかな, and フラット, you can describe the physical world with much greater precision and nuance.

How Formal Is It?

Nivel de dificultad

Gramática que debes saber

Na-adjective noun modification (〜な + Noun)

Adverbial use of Na-adjectives (〜に + Verb)

Comparative sentences (AはBより〜)

Expressing change of state (〜になる / 〜にする)

Negative adjective conjugation (〜ではない)

Ejemplos por nivel

1

このつくえは平らです。

This desk is flat.

Predicate use with polite copula 'desu'.

2

平らな道を歩きます。

I walk on a flat road.

Modifying a noun with 'na'.

3

ここは平らな場所です。

This is a flat place.

Modifying 'basho' (place).

4

その石は平らですか?

Is that stone flat?

Question form.

5

ベッドは平らです。

The bed is flat.

Simple description.

6

平らなお皿をください。

Please give me a flat plate.

Modifying 'osara' (plate).

7

この床は平らではありません。

This floor is not flat.

Negative polite form.

8

平らな紙に書きます。

I write on flat paper.

Used with particle 'ni' for location of action.

1

自転車に乗るから、平らな道がいいです。

Because I ride a bicycle, a flat road is good.

Used in a reason clause with 'kara'.

2

テントを張るために、平らな場所を探しました。

I looked for a flat place to pitch the tent.

Used with 'tame ni' (in order to).

3

このテーブルはあのテーブルより平らです。

This table is flatter than that table.

Comparative structure 'yori'.

4

土を平らにしてください。

Please make the soil flat.

Adverbial form 'taira ni' + 'suru'.

5

アイロンをかけて、シャツを平らにしました。

I ironed the shirt and made it flat.

Expressing a change of state.

6

昔、この道は平らじゃなかったです。

In the past, this road was not flat.

Past negative casual/polite mix.

7

箱を平らな場所に置いてください。

Please put the box in a flat place.

Instruction using 'te kudasai'.

8

パンの生地を平らに伸ばします。

I roll the bread dough out flat.

Adverbial use modifying 'nobasu' (to stretch/roll).

1

地震の後、崩れた壁を平らな状態に戻す作業が始まった。

After the earthquake, work began to return the collapsed walls to a flat state.

Modifying 'joutai' (state/condition).

2

この地域は平らな土地が少ないため、家を建てるのが難しい。

Because there is little flat land in this area, it is difficult to build houses.

Used in a complex sentence explaining a cause.

3

カメラを三脚に固定する時は、地面が平らかどうか確認してください。

When fixing the camera to the tripod, please check whether the ground is flat or not.

Used with 'ka dou ka' (whether or not).

4

ケーキを焼く時は、表面が平らになるように生地を流し込みます。

When baking a cake, pour the batter so that the surface becomes flat.

Used with 'you ni' (so that).

5

彼は感情を表に出さず、いつも平らな声で話す。

He doesn't show his emotions and always speaks in a flat voice.

Metaphorical use for tone of voice.

6

グラウンドをローラーで平らに押し固める。

Compact the sports ground flat with a roller.

Adverbial form modifying a compound verb.

7

水面が鏡のように平らで、とても美しい景色だった。

The water surface was flat like a mirror, and it was a very beautiful scenery.

Used in a descriptive simile.

8

荷物を積むために、車の後部座席を倒して平らにした。

To load the luggage, I folded down the back seats of the car to make it flat.

Expressing purpose and action.

1

都市開発において、平らな土地の確保は最も重要な課題の一つである。

In urban development, securing flat land is one of the most important issues.

Used in formal, academic-style context.

2

この素材は熱を加えると柔らかくなり、冷えると完全に平らな状態で固まります。

This material softens when heated and hardens in a completely flat state when cooled.

Describing physical properties and processes.

3

山頂付近には、驚くほど広くて平らな場所が広がっていた。

Near the summit, a surprisingly wide and flat area spread out.

Used with adverbs of degree (odoroku hodo).

4

床が平らでないと、精密機械の動作に悪影響を及ぼす可能性がある。

If the floor is not flat, it may negatively affect the operation of precision machinery.

Conditional 'to' with negative adjective.

5

彼女の平らなお腹は、日々の厳しいトレーニングの賜物だ。

Her flat stomach is the result of rigorous daily training.

Describing physical fitness/anatomy.

6

キャンバスの表面をヤスリで削り、絵の具が乗りやすいように平らに仕上げる。

Sand the surface of the canvas to finish it flat so that the paint goes on easily.

Complex sentence with multiple verbs and purpose clauses.

7

その組織は階層がなく、全員が対等に意見を言える平らな関係を築いている。

The organization has no hierarchy and has built a flat relationship where everyone can voice their opinions equally.

Metaphorical use for social/organizational structure.

8

アスファルトが劣化し、かつて平らだった道路には無数のひび割れが生じている。

The asphalt has deteriorated, and countless cracks have appeared on the once-flat road.

Modifying a noun with a past-tense relative clause.

1

関東平野は日本最大の平らな地形であり、農業や工業の中心地となっている。

The Kanto Plain is Japan's largest flat terrain and serves as a center for agriculture and industry.

Geographical and economic context.

2

職人は鉋(かんな)を巧みに操り、木材の表面をミクロン単位で平らに削り出した。

The craftsman skillfully manipulated the plane, shaving the surface of the wood flat to the micron level.

Highly descriptive, specialized vocabulary.

3

彼の文章は起伏に乏しく、どこか平らで無味乾燥な印象を与える。

His writing lacks undulation and gives a somewhat flat, dry, and uninteresting impression.

Advanced metaphorical use for literary critique.

4

地殻変動によって隆起した海底が、長い年月をかけて侵食され、現在の平らな台地を形成した。

The seabed, uplifted by crustal movement, was eroded over a long period, forming the current flat plateau.

Scientific/geological explanation.

5

音響設備を設置する際、壁面が完全に平らであることは、音の反射を計算する上で前提条件となる。

When installing acoustic equipment, the wall surface being completely flat is a prerequisite for calculating sound reflection.

Technical/engineering context.

6

その交渉において、双方が平らなテーブルに着くことすら容易ではなかった。

In that negotiation, it was not even easy for both parties to sit at a flat (equal) table.

Idiomatic/metaphorical use implying equality.

7

液晶パネルの製造工程では、ガラス基板を極限まで平らに保つ高度な技術が要求される。

In the manufacturing process of LCD panels, advanced technology is required to keep the glass substrate flat to the utmost limit.

Industrial manufacturing context.

8

雪原はどこまでも白く平らに広がり、方向感覚を失わせるほどの静寂に包まれていた。

The snowfield spread out white and flat endlessly, enveloped in a silence that made one lose their sense of direction.

Literary, evocative description.

1

枯山水の庭園において、白砂を平らに均す行為は、単なる作庭を超えた精神修養の域にある。

In a dry landscape garden, the act of raking the white sand flat is in the realm of spiritual cultivation beyond mere gardening.

Deep cultural and philosophical context.

2

古代の測量技術がいかに精緻であったかは、この巨大な建造物の基礎が完璧に平らであることからも窺い知れる。

How precise ancient surveying techniques were can be inferred from the fact that the foundation of this massive structure is perfectly flat.

Historical and architectural analysis.

3

彼の平らな語り口の裏には、凄まじい情念がマグマのように煮えたぎっているのを感じざるを得なかった。

Behind his flat storytelling style, I could not help but feel a tremendous passion boiling like magma.

Complex psychological and literary description.

4

重力異常の測定データは、一見平らに見えるこの平原の地下に、巨大な断層が潜んでいることを示唆している。

Gravity anomaly measurement data suggests that a massive fault line lies hidden beneath this plain, which appears flat at first glance.

Advanced scientific discourse.

5

グローバル化がもたらした「平らな世界」という幻想は、局地的な経済格差の拡大によって脆くも崩れ去った。

The illusion of a 'flat world' brought about by globalization has crumbled fragilely due to the expansion of localized economic disparities.

Socio-economic and political commentary.

6

刀匠は玉鋼を打ち延ばし、幾度も折り返しては鍛え、鏡面のように平らで強靭な刀身を創り上げた。

The swordsmith hammered and stretched the tamahagane steel, folding and forging it repeatedly, to create a tough blade as flat as a mirror.

Traditional crafts and highly specific terminology.

7

その絵画は遠近法を意図的に排除し、二次元の平らな画面構成によって独自の装飾美を獲得している。

That painting intentionally eliminates perspective and acquires a unique decorative beauty through a two-dimensional, flat screen composition.

Art history and aesthetic critique.

8

量子レベルの極微の世界において、「平らな表面」という概念自体が巨視的な近似に過ぎないことが明らかになる。

In the microscopic world at the quantum level, it becomes clear that the very concept of a 'flat surface' is nothing more than a macroscopic approximation.

Theoretical physics context.

Colocaciones comunes

平らな道 (taira na michi - flat road)
平らな場所 (taira na basho - flat place)
平らな土地 (taira na tochi - flat land)
平らな表面 (taira na hyoumen - flat surface)
平らな床 (taira na yuka - flat floor)
平らな石 (taira na ishi - flat stone)
平らな屋根 (taira na yane - flat roof)
平らなお皿 (taira na osara - flat plate)
平らにする (taira ni suru - to make flat)
平らになる (taira ni naru - to become flat)

Se confunde a menudo con

平らな vs 水平な (suihei na) - Horizontal. A ramp is flat (taira) but not horizontal (suihei).

平らな vs 滑らかな (nameraka na) - Smooth. Sandpaper is flat (taira) but not smooth (nameraka).

平らな vs 平坦な (heitan na) - Flat/even. Used mostly for large geographical areas.

Fácil de confundir

平らな vs

平らな vs

平らな vs

平らな vs

平らな vs

Patrones de oraciones

Cómo usarlo

nuance

Implies a lack of bumps or slopes. It is a very physical, literal word.

formality

Neutral. Can be used in casual or polite speech. For highly formal or academic contexts regarding land, 'heitan na' is preferred.

limitations

Cannot be used for 'flat tire' (panku) or 'flat battery' (agatta).

Errores comunes
  • Using it as an i-adjective (e.g., 平らくない instead of 平らではない).
  • Forgetting the particle 'na' before a noun (e.g., 平ら道 instead of 平らな道).
  • Using it to mean 'flat tire' (should be パンク).
  • Confusing it with 水平な (horizontal) when describing angles.
  • Pronouncing it as 'tie-ra' instead of 'ta-i-ra'.

Consejos

Don't forget the 'na'!

Because it doesn't end in 'i', it's easy to forget it's an adjective. Always link it to a noun with 'na'. Think of 'taira na' as a single unit when memorizing. Say 'taira na michi' out loud ten times to build muscle memory.

Flat tires are 'panku'

Never translate the English idiom 'flat tire' literally. Japanese uses the word パンク (panku) from 'puncture'. If you say 'taira na taiya', people will imagine a square or pancake-shaped wheel. Keep literal and metaphorical uses separate.

Cooking with 'taira ni suru'

If you like Japanese cooking videos, listen for 'taira ni suru'. It means to flatten or level out. You'll hear it when chefs press down hamburger patties or level off a cup of flour. It's an incredibly practical phrase.

Flat equals Peace

The kanji 平 means flat, but it also means peace (平和 heiwa). In ancient times, a flat, calm surface of water represented a peaceful state. Remembering this connection helps you learn both words simultaneously.

Three distinct vowels

Make sure to pronounce 'ta-i-ra' clearly. English speakers often say 'tie-ra'. Practice saying 'ta', then 'i', then 'ra' slowly, then speed it up. Clear vowels are key to sounding natural in Japanese.

Flat vs. Horizontal

Remember that a ramp is 'taira' (flat) but not 'suihei' (horizontal). 'Taira' is about the texture and lack of bumps. 'Suihei' is about the angle relative to gravity. Use them correctly to sound like a pro.

Pair with 'dekoboko'

Learn antonyms together. The opposite of a flat road (taira na michi) is a bumpy road (dekoboko na michi). 'Dekoboko' even looks like bumps in kanji: 凸凹. Learning pairs makes vocabulary stick faster.

Essential for camping

If you go camping in Japan, this is your most important word. You must ask for a 'taira na basho' (flat place) for your tent. Practice this phrase before your next outdoor adventure.

Kanji stroke order

The kanji 平 has only 5 strokes and is very symmetrical, just like a flat surface. Practice writing it. The symmetry of the character visually reinforces its meaning of balance and evenness.

Flat organizations

In business Japanese, you might hear about a 'taira na soshiki' (flat organization). This means a company without a strict hierarchy. However, the loanword 'furatto' is also very popular for this concept now.

Memorízalo

Mnemotecnia

Imagine a TIE (tai) lying flat on a RUG (ra). The tie is perfectly flat on the rug: TAI-RA.

Origen de la palabra

Derived from the kanji 平 (hei/taira), which originally depicted a water lily floating flat on the surface of water, symbolizing evenness, peace, and calmness.

Contexto cultural

The 'Superflat' art movement, coined by Takashi Murakami, references the traditional Japanese aesthetic of flat, two-dimensional imagery.

Tatami mats must be laid on a perfectly flat surface to prevent warping and ensure a harmonious room layout.

With limited flat land, Japanese urban planning heavily prioritizes the efficient use of 'taira na' areas.

Practica en la vida real

Contextos reales

Inicios de conversación

"サイクリングに行きたいんですが、この辺りに平らな道はありますか? (I want to go cycling, are there any flat roads around here?)"

"テントを張りたいので、平らな場所を探しましょう。(I want to pitch a tent, so let's look for a flat place.)"

"この机、少し傾いていませんか?平らじゃない気がします。(Isn't this desk a little tilted? I feel like it's not flat.)"

"日本は山が多いので、平らな土地が少ないですね。(Japan has many mountains, so there is little flat land, isn't there?)"

"クッキーを作る時、生地をどれくらい平らにすればいいですか? (When making cookies, how flat should I make the dough?)"

Temas para diario

Describe your ideal neighborhood. Is the land flat or hilly? Why do you prefer it?

Write a short set of instructions for a recipe that requires flattening an ingredient.

Describe a time when you had to sleep on an uneven surface. How did it compare to a flat bed?

Compare the geography of your hometown to Japan. Is it more flat or mountainous?

Write about a DIY project where making something flat or level was important.

Preguntas frecuentes

10 preguntas

It is a na-adjective. Even though the dictionary form is often listed as 'taira', you must add 'na' when it directly modifies a noun. For example, you say 'taira na michi' (flat road), not 'taira michi'. When it is at the end of a sentence, you use 'da' or 'desu', like 'michi wa taira desu'.

No, you cannot. In Japanese, a flat tire is expressed using the word パンク (panku), which comes from 'puncture'. You would say 'taiya ga panku shita' (the tire punctured/went flat). Using 'taira na taiya' would sound like the tire was manufactured in the shape of a pancake.

平らな (taira na) means 'flat' or 'smooth', lacking bumps. 水平な (suihei na) means 'horizontal', parallel to the ground. A slanted roof can be perfectly flat (taira), but it is not horizontal (suihei). A table must be both flat and horizontal to be useful.

You use the adverbial form of the adjective with the verb 'suru' (to do/make). The phrase is 平らにする (taira ni suru). For example, 'tsuchi o taira ni suru' means to flatten the soil. This is very common in cooking and construction.

Yes, it can. Just like in English, you can say 平らなお腹 (taira na onaka) to describe a flat stomach. It implies someone is fit or thin. It is a common phrase in fitness and health contexts.

Yes, it is perfectly acceptable and common, especially in casual writing or for beginners. However, learning the kanji 平 is highly recommended because it is a very common character used in many other important words like 平和 (heiwa - peace).

The most common opposite for a bumpy surface is でこぼこな (dekoboko na), which means uneven or bumpy. If you are talking about a road that is steep rather than flat, you would use 急な (kyuu na - steep) or 険しい (kewashii - rugged).

Yes, but it is a more advanced, literary usage. You can say 平らな声 (taira na koe) to mean a monotone or emotionless voice. However, in everyday conversation, people might also use words like 抑揚のない (yokuyou no nai - lacking intonation).

It is pronounced with three distinct beats: ta-i-ra, followed by na. Be careful not to blend the 'ta' and 'i' into a single sound like the English word 'tie'. Say 'ta', then 'i', then 'ra' smoothly.

The prefix 真っ (ma-) adds emphasis, meaning 'completely' or 'perfectly'. So, 真っ平ら (mattaira) means 'completely flat' or 'perfectly level'. It is used when you want to emphasize that there are absolutely no bumps or inclines.

Ponte a prueba 180 preguntas

/ 180 correct

Perfect score!

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