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四字熟語一覧: 30 Japanese Four-Character Idioms with Meanings

This 四字熟語一覧 introduces 30 useful Japanese four-character idioms with their readings, plain-English meanings, and short usage notes. These expressions are helpful for reading, writing, speeches, and vocabulary practice, but they are not simply the same thing as four-kana words.

Updated: September 6, 2026 30 idioms with readings and examples For Japanese learners and vocabulary practice

Editorial illustration of Japanese four-character idioms arranged as a vocabulary reference — 四字熟語 are compact expressions: the four kanji often suggest an image, while the established meaning carries the real message.

Quick answer: 四字熟語 (よじじゅくご, yojijukugo) are established Japanese compounds or idiomatic expressions commonly written with four kanji. Start with familiar examples such as 一石二鳥, 七転八起, and 試行錯誤, then learn each one with a reading, a core meaning, and one natural sentence.

What does 四字熟語 mean?

四字熟語 literally means “four-character idiom.” In practice, the label is used for compact expressions built from four kanji that summarize a situation, attitude, lesson, or way of thinking. Some are transparent once you know the individual characters; others have a traditional story or image that cannot be translated word for word.

For learners, the most important distinction is between the written form and the reading. The expression 一期一会 is four kanji, but its reading いちごいちえ is longer than four kana. If you are studying Japanese word length for a game, count the rule used by that game. If you are studying reading comprehension, learn the kanji, pronunciation, and idiomatic meaning as one unit.

Editorial diagram grouping Japanese four-character idioms into resilience, relationships, and decision-making themes — Grouping idioms by theme makes a long 四字熟語一覧 easier to review than memorizing an isolated alphabetical list.

30 四字熟語一覧 with meanings

The list is organized by the kind of idea each expression conveys. The English meaning is a practical gloss, not always a literal translation. Read the Japanese form aloud, notice the example situation, and then make a sentence connected to your own study or daily life.

Goals, effort, and resilience

一石二鳥

いっせきにちょう · one action, two benefits

“Kill two birds with one stone.” Use it when one action achieves two useful results, such as practicing listening while commuting.

七転八起

しちてんはっき · rise after repeated setbacks

Literally falling seven times and getting up eight. It describes persistence after failure and is encouraging in study or work contexts.

起死回生

きしかいせい · a dramatic recovery

A comeback that turns a nearly hopeless situation around. It often appears in sports reports, business news, and stories about a last-minute solution.

臥薪嘗胆

がしんしょうたん · endure hardship for a goal

To accept severe hardship while working toward a long-term aim. The expression is strong and literary, so it is more common in writing than casual talk.

大器晩成

たいきばんせい · great talent matures late

A person with great ability may take time to develop. It reassures learners who are progressing steadily rather than quickly.

有言実行

ゆうげんじっこう · do what you say

Follow through on a promise or stated plan. It is useful when describing reliable behavior, especially in goals, teamwork, and personal routines.

切磋琢磨

せっさたくま · improve through mutual effort

People sharpen one another through friendly effort and constructive competition. Use it for classmates, colleagues, athletes, or study partners.

試行錯誤

しこうさくご · trial and error

Trying different approaches, learning from mistakes, and adjusting. This is one of the most practical idioms for describing language study or problem solving.

順風満帆

じゅんぷうまんぱん · smooth sailing

Things are progressing smoothly, like a ship with favorable wind. It often describes a project, career, or plan that has few obstacles.

悪戦苦闘

あくせんくとう · struggle through difficulty

Work very hard in a difficult situation. Unlike 順風満帆, this idiom highlights the effort and resistance involved before a result is reached.

People, relationships, and perspective

温故知新

おんこちしん · learn from the past

Review old knowledge to discover something new. It is a useful idea for language learners revisiting basic grammar before reading harder texts.

以心伝心

いしんでんしん · understand without words

Two people share an unspoken understanding. It can describe close friends, family members, or teamwork where a gesture communicates enough.

十人十色

じゅうにんといろ · everyone is different

“Ten people, ten colors.” It emphasizes that people have different tastes, personalities, and ways of learning or solving a problem.

千差万別

せんさばんべつ · varied in many ways

There are many differences among people, objects, or cases. Use it when a single rule cannot describe every example in a group.

一期一会

いちごいちえ · one meeting, once in a lifetime

Treat an encounter as unique and unrepeatable. It is associated with hospitality, tea culture, travel, and appreciating the present moment.

花鳥風月

かちょうふうげつ · the beauty of nature

Flowers, birds, wind, and the moon symbolize sensitivity to seasons and natural beauty. The tone is refined and often literary.

森羅万象

しんらばんしょう · everything in the universe

All things in the natural world or universe. It is a broad, formal expression used when discussing the totality of phenomena.

温厚篤実

おんこうとくじつ · gentle and sincere

Describes a calm, kind, and dependable person. It is a formal compliment rather than a casual label for a friend.

公明正大

こうめいせいだい · fair and impartial

Open, fair, and free from private bias. It fits discussions of rules, decisions, leadership, and trustworthy procedures.

棚から牡丹餅

たなからぼたもち · an unexpected windfall

Good fortune arrives without effort, like a sweet rice cake falling from a shelf. The expression can be playful or caution against relying on luck.

Decisions, consequences, and change

自業自得

じごうじとく · the result of your own actions

You receive the consequences of what you did. It is often critical, so use it carefully when speaking about another person’s mistake.

因果応報

いんがおうほう · actions bring consequences

A moral idea that good or bad actions eventually bring corresponding results. It has a more formal and philosophical tone than 自業自得.

本末転倒

ほんまつてんとう · confusing the main point and the detail

Putting secondary concerns before the main purpose, similar to putting the cart before the horse. It is useful for correcting a plan or priority.

取捨選択

しゅしゃせんたく · choose what to keep

Select what is useful and discard what is not. Use it for information, study materials, tasks, or options that need careful prioritization.

画竜点睛

がりょうてんせい · the finishing touch

The final detail that makes a work complete. It can describe an editing choice, a presentation detail, or the last step in a design.

電光石火

でんこうせっか · lightning speed

Extremely fast action, like lightning or a spark from a stone. It highlights speed and decisiveness rather than careful deliberation.

右往左往

うおうさおう · move around in confusion

People rush this way and that because they do not know what to do. It is usually used critically or humorously in a chaotic situation.

前代未聞

ぜんだいみもん · unprecedented

Something never heard of in previous generations. News writing often uses it for an event that is unusually large, strange, or serious.

一長一短

いっちょういったん · strengths and weaknesses

Every option has advantages and disadvantages. It is especially useful when comparing study methods, tools, plans, or products without declaring one perfect.

針小棒大

しんしょうぼうだい · exaggerate a small matter

Make a small issue sound much larger than it is. The idiom warns readers to separate facts from dramatic presentation.

How to learn 四字熟語 without memorizing a dead list

A long 四字熟語一覧 is useful as a reference, but recognition improves faster when every item has a small context. Do not try to memorize all 30 in one sitting. Choose five, connect each to an image, and revisit them in spaced review. The goal is to recognize the expression in real Japanese before trying to use it actively.

Learn the reading with the kanji. Say the expression aloud and mark the kana reading. This prevents you from recognizing the characters but freezing when you hear them.
Separate literal image from idiomatic meaning. 一石二鳥 mentions a stone and two birds, but the useful meaning is one action with two benefits. The image helps memory; the established meaning guides usage.
Write one honest example. Keep the sentence short and match the register. “I use my commute to review vocabulary and listen to Japanese podcasts; it is 一石二鳥” is clearer than a dramatic sentence you would never say.
Group similar ideas and opposites. Pair 順風満帆 with 悪戦苦闘, or compare 自業自得 with 因果応報. Contrast makes nuance easier to retrieve later.
Check the setting before speaking. Some idioms are natural in essays or headlines but sound stiff in casual conversation. Start with high-frequency expressions and listen for how native speakers frame them.

Editorial practice flow for learning a Japanese idiom by reading, meaning, example, and review — A reliable review loop is short: read the idiom, recall its meaning, make an example, and review it again later.

四字熟語 vs four-letter Japanese words

Searchers sometimes mix 四字熟語 with “four-letter Japanese words” because both topics contain the number four. They answer different questions. 四字熟語 usually refers to a fixed four-kanji expression and its cultural or figurative meaning. A four-letter word list usually counts kana in the pronunciation and is often used for vocabulary games, shiritori, or Japanese Wordle practice.

Question	四字熟語	Four-letter word list
What is counted?	Usually four kanji in a fixed expression	Usually four kana in the reading, depending on the game
Main purpose	Learn meaning, nuance, culture, and formal vocabulary	Find playable or memorable words for games and recall practice
Typical example	試行錯誤: learning through trial and error	A four-kana everyday word selected by its reading
Best next step	Read the idiom in a sentence and note its register	Check the target game’s dictionary and character-count rules

If you need a playable list rather than a reference list, use the site’s four-letter Japanese words guide. For broader beginner vocabulary, Basic Japanese Words adds kana, romaji, meanings, and a sensible review order. You can also practice reading short Japanese words with the hiragana reading guide before returning to kanji compounds.

FAQ

Are all 四字熟語 exactly four kanji?

The term usually refers to a fixed expression written with four kanji, but dictionaries and everyday explanations can use the label somewhat broadly. Check the established spelling and meaning of each expression.

Are 四字熟語 the same as four-letter Japanese words?

No. 四字熟語 are usually four-kanji idiomatic expressions. A four-letter Japanese word is counted by its kana reading, so the two categories can overlap in appearance but have different purposes.

Should I memorize the reading or the meaning first?

Learn the reading and the core meaning together, then write one short example. This makes the idiom easier to recognize in text and easier to use naturally.

Can Japanese learners use these idioms in conversation?

Yes, but register matters. Many 四字熟語 are common in writing, presentations, headlines, and formal conversation. Start with familiar expressions such as 一石二鳥, 試行錯誤, and 有言実行.

Can I use 四字熟語 as answers in a Japanese word game?

Only if the game accepts that spelling and length. A four-kanji idiom is not automatically a four-kana answer, so check the game’s dictionary and count the reading rather than the number of kanji.

Summary

This 四字熟語一覧 is best used as a starting set, not a list to recite without context. Begin with five familiar expressions, learn the reading and meaning together, write one sentence, and review them again after a day or two. Then add formal or literary idioms as you meet them in articles, books, speeches, and Japanese learning materials.

Turn vocabulary into active practice

After reviewing meanings, practice recalling Japanese words under time pressure. Kotobade Asobou offers a free Japanese word game, while the site’s Japanese learning games guide helps you choose a practice route that matches your level.

Play a free Japanese word game