合理 in 30 Seconds
- 合理 (hélǐ) means 'reasonable' or 'rational'. It is used for prices, plans, and logic.
- It is composed of '合' (match) and '理' (reason), literally 'matching reason'.
- Commonly used in '合理价格' (fair price) and '合理安排' (rational arrangement).
- Don't confuse it with '合适' (héshì), which means 'suitable' or 'fitting' (like clothes).
The term 合理 (hélǐ) is a cornerstone of Chinese logic and social interaction. At its core, it translates to "reasonable," "rational," or "logical." It is composed of two characters: 合 (hé), meaning to match, join, or suit, and 理 (lǐ), meaning reason, logic, or principle. Therefore, something that is 合理 is something that "matches reason." This isn't just about cold logic; it often encompasses a sense of fairness and social appropriateness. In a Chinese context, being reasonable is often valued as much as being legal, as it suggests a balance between strict rules and human circumstances.
- Etymological Root
- The character 理 originally referred to the veins in jade. To follow the '理' was to cut jade along its natural lines. Thus, 合理 implies acting in accordance with the natural order or logical flow of things.
- Social Nuance
- In negotiations, calling a price 合理 suggests it is fair to both parties, not just mathematically correct.
- Grammatical Function
- Primarily used as an adjective, but can function as an adverb when modifying verbs like 安排 (arrange) or 解释 (explain).
"这个价格非常合理，我们都能接受。" (This price is very reasonable; we can both accept it.)
When we look deeper into the word, we find it applied to systems, behaviors, and arguments. A 合理的要求 (reasonable request) is one that a person has the right or justification to make. Conversely, an 不合理 (unreasonable) situation is often met with frustration because it violates the perceived natural order of fairness. In academic writing, 合理 is used to describe a hypothesis or a conclusion that follows logically from the evidence provided. It is less about 'truth' in an absolute sense and more about 'justifiability' within a given framework.
"我们需要一个合理的解释。" (We need a rational explanation.)
In the workplace, 合理安排时间 (rationally arranging time) is a common phrase. It implies efficiency and the avoidance of waste. It suggests that there is an optimal way to structure one's day that aligns with the '理' (logic) of productivity. This word is ubiquitous because it bridges the gap between the subjective (what I think is fair) and the objective (what the facts dictate). It is a word of consensus-building.
"这种做法并不合理。" (This way of doing things is not rational.)
"合理的分配" (Reasonable distribution.)
"合理的怀疑" (Reasonable doubt.)
- Logical Consistency
- Ensuring that parts of a whole fit together without contradiction.
- Ethical Fairness
- Ensuring that treatment or pricing is just.
Using 合理 (hélǐ) correctly requires understanding its role as both a descriptor of quality and a modifier of action. It most frequently appears before nouns to describe things that are fair or logical, or after verbs to describe the manner in which an action is performed. Unlike '合适' (héshì), which focuses on 'fitting' a specific person or size, 合理 focuses on the objective 'reason' behind something.
1. Modifying Nouns (Adjective Use)
When modifying a noun, you often use '的' (de). Common pairings include:
- 合理的价格 (hélǐ de jiàgé): A reasonable price. This is perhaps the most common usage in daily life.
- 合理的建议 (hélǐ de jiànyì): A rational suggestion.
- 合理的结构 (hélǐ de jiégòu): A logical structure (of a building, an essay, or an organization).
"你必须给出一个合理的理由。" (You must provide a rational reason.)
2. Modifying Verbs (Adverbial Use)
To use it as an adverb, you often pair it with verbs related to planning, using, or explaining. Sometimes '地' (de) is used, but in many set phrases, it is omitted.
- 合理安排 (hélǐ ānpái): To arrange rationally (e.g., one's schedule).
- 合理使用 (hélǐ shǐyòng): To use reasonably/efficiently (e.g., resources, water).
- 合理分配 (hélǐ fēnpèi): To distribute fairly/rationally.
"我们要合理利用自然资源。" (We should use natural resources rationally.)
3. Predicative Use
You can use it after '很' (hěn), '不' (bù), or '非常' (fēicháng) to describe a situation directly.
"他的要求不合理。" (His request is unreasonable.)
In formal writing, 合理性 (hélǐxìng) is used as a noun meaning 'rationality' or 'reasonableness'. For example, "我们怀疑这个计划的合理性" (We doubt the rationality of this plan). Understanding this flexibility allows you to transition from B1 daily conversation to C1 academic or professional discourse.
You will encounter 合理 (hélǐ) in a wide variety of environments, from the bustling markets of Beijing to the high-tech boardrooms of Shanghai. Its versatility makes it a high-frequency word across different registers of speech.
1. In the Marketplace
When shopping, especially in places where bargaining is common, '合理' is a key negotiation term. A customer might say, "老板，这个价格不合理，便宜点吧" (Boss, this price isn't reasonable, make it cheaper). Conversely, a seller might defend their price by saying, "这已经是合理价了" (This is already a reasonable price).
2. In the Workplace
Managers often talk about 合理分配工作量 (rationally distributing workload). If a project is failing, a post-mortem might conclude that the 时间安排不合理 (time arrangement was irrational). In performance reviews, employees might ask for a 合理的加薪 (reasonable raise).
"公司应该合理规划员工的职业发展。" (The company should rationally plan employees' career development.)
3. In Legal and News Media
News reports often use '合理' when discussing government policies or court rulings. You will hear phrases like 合理避税 (legal/reasonable tax avoidance—though this is a sensitive topic) or 合理补偿 (reasonable compensation) for land requisition. In crime dramas, lawyers will argue about 合理怀疑 (reasonable doubt).
4. In Academic and Scientific Contexts
Researchers use '合理' to describe models or assumptions. "这个模型能合理地解释实验现象" (This model can rationally explain the experimental phenomena). It implies that the explanation is consistent with known facts and logic.
Finally, in daily life, parents might tell children to 合理饮食 (eat a balanced/rational diet) or 合理安排休息时间 (rationally arrange rest time). It is a word that carries a sense of 'the right way to do things' according to common sense.
While 合理 (hélǐ) is straightforward, learners often confuse it with other '合' (hé) words or use it in contexts where a more specific term is required. Here are the most frequent pitfalls:
1. Confusing '合理' with '合适' (héshì)
This is the #1 mistake. 合适 means 'suitable' or 'fitting' in a physical or personal sense. 合理 means 'rational' or 'logical'.
- ❌ 这件衣服很合理。 (This clothing is very rational - Incorrect)
- ✅ 这件衣服很合适。 (This clothing fits well/is suitable - Correct)
- ❌ 他的工资很合适。 (His salary is suitable - Ambiguous)
- ✅ 他的工资很合理。 (His salary is reasonable/fair based on his work - Correct)
2. Confusing '合理' with '合法' (héfǎ)
合法 means 'legal' (according to the law). Something can be 合理 (fair/logical) but not 合法 (legal), and vice versa.
"虽然这不合法，但我觉得很合理。" (Although this isn't legal, I think it's reasonable/fair.)
3. Overusing '合理' for 'Right'
Learners often use '合理' whenever they want to say something is 'right' or 'correct'. If you mean 'factually correct', use 正确 (zhèngquè). If you mean 'morally right', use 对 (duì) or 正义 (zhèngyì).
4. Incorrect Adverbial Placement
In English, we might say "Arrange your time reasonably." In Chinese, the '合理' usually comes *before* the verb.
- ❌ 安排时间合理。 (Incorrect structure for a command)
- ✅ 合理安排时间。 (Correct: Rationally arrange time)
- Mistake: '合理' + Person
- You generally don't call a person '合理'. You call their actions, words, or demands 合理. To call a person 'reasonable' in terms of their personality, use 讲道理 (jiǎng dàolǐ).
To truly master 合理 (hélǐ), you must understand its neighbors in the semantic field of logic and appropriateness. Here is a breakdown of similar words and how they differ.
1. 合理 vs. 合适 (héshì)
As mentioned, 合适 is about 'fit'. If a key fits a lock, it is 合适. If a person is right for a job, they are 合适. 合理 is about the 'why'. If the hiring process for that job was fair, it was 合理.
2. 合理 vs. 逻辑 (luójí)
逻辑 is the noun 'logic'. While 合理 means 'logical' (adjective), 逻辑 is often used to describe the system itself. You might say "你的逻辑有问题" (Your logic has problems), but you would say "你的结论不合理" (Your conclusion is not rational/reasonable).
3. 合理 vs. 公平 (gōngpíng)
公平 means 'fair' or 'just'. While 合理 often implies fairness, 公平 is more specific to equality and lack of bias. A '合理' price is one that makes sense; a '公平' price is one that is the same for everyone.
"这个决定不仅合理，而且非常公平。" (This decision is not only rational but also very fair.)
4. 合理 vs. 正当 (zhèngdàng)
正当 means 'legitimate' or 'proper'. It is often used for reasons or excuses. 正当理由 (legitimate reason) is very close to 合理理由, but 正当 has a stronger sense of being 'authorized' or 'rightful'.
5. 合理 vs. 理智 (lǐzhì)
理智 means 'rational' but is usually applied to a person's state of mind or temperament. A 理智的人 is a person who stays calm and uses their head. 合理 is applied to the outcome or the plan.
- 合情合理 (Idiom)
- Literally "fits emotion and fits reason." This is the ultimate compliment for a solution or decision in Chinese culture.
- 顺理成章 (Idiom)
- To follow as a matter of course; logical and natural.
How Formal Is It?
Difficulty Rating
Grammar to Know
Adjectives as Attributives (的)
Adverbs with 地
Topic-Comment Structure
Negation with 不
Degree Adverbs
Examples by Level
这个价格很合理。
This price is very reasonable.
Subject + 很 + Adjective
合理的价格很重要。
Reasonable prices are very important.
Adjective + 的 + Noun
他不合理。
He is unreasonable. (Note: Usually refers to his behavior/demands)
Negative form '不' + Adjective
这是一个合理的时间。
This is a reasonable time.
Classifier + Adjective + Noun
你的要求合理吗？
Is your request reasonable?
Question with '吗'
我觉得很合理。
I think it's very reasonable.
Verb '觉得' + Adjective
合理一点吧。
Be a bit more reasonable.
Adjective + 一点 + 吧 (suggestion)
这不合理。
This is not reasonable.
Simple negation
我们要合理安排时间。
We need to arrange time rationally.
Adverbial use before verb
这是一个合理的建议。
This is a reasonable suggestion.
Attributive adjective
他的解释听起来很合理。
His explanation sounds very reasonable.
Verb '听起来' + Adjective
请给出合理的理由。
Please give a reasonable reason.
Imperative sentence
这种分配方式很合理。
This distribution method is very reasonable.
Subject (noun phrase) + Adjective
合理饮食对身体好。
A rational diet is good for the body.
Adjective modifying a noun (diet)
你的工资合理吗？
Is your salary reasonable?
Topic-comment structure
我们需要合理的规则。
We need reasonable rules.
Verb + Object
只有合理利用资源，才能持续发展。
Only by using resources rationally can we achieve sustainable development.
只有...才... (Only if... then...)
这篇文章的结构非常合理。
The structure of this article is very logical.
Possessive '的' + Noun + Adjective
经理对工作的安排不合理。
The manager's arrangement of work is unreasonable.
Preposition '对' + Object
我们要学会合理地拒绝别人。
We must learn to refuse others reasonably.
Adverb with '地'
这种现象有其合理的解释。
This phenomenon has its rational explanation.
Verb '有' + Object
为了合理避税，他咨询了会计师。
In order to avoid taxes reasonably/legally, he consulted an accountant.
Purpose clause '为了'
他的担心是合理的。
His worry is reasonable.
Noun phrase + 是 + Adjective
这个决定在逻辑上是合理的。
This decision is logically reasonable.
Prepositional phrase '在...上'
方案的合理性还需要进一步论证。
The rationality of the plan still needs further demonstration.
Noun form '合理性'
他的要求完全合情合理。
His request is completely fair and reasonable.
Idiom '合情合理'
我们要合理配置人力资源。
We need to rationally allocate human resources.
Formal verb '配置'
法律必须建立在合理的基础之上。
Law must be built upon a reasonable foundation.
建立在...之上
这种做法缺乏合理依据。
This practice lacks a rational basis.
Verb '缺乏' + Noun
合理调整产业结构是当务之急。
Rationally adjusting the industrial structure is a top priority.
Subject is a verb phrase
我们应当合理控制投资风险。
We should rationally control investment risks.
Modal verb '应当'
他的辩护建立在合理怀疑的基础上。
His defense is built on the basis of reasonable doubt.
Legal terminology
该政策的合理性受到了广泛的质疑。
The rationality of the policy has been widely questioned.
Passive-like structure '受到...质疑'
在资源有限的情况下，合理分配显得尤为重要。
In circumstances of limited resources, rational distribution appears particularly important.
尤为 (particularly)
我们需要对该理论的合理性进行批判性分析。
We need to conduct a critical analysis of the rationality of this theory.
对...进行...分析
合理预期是宏观经济学中的一个重要概念。
Reasonable expectation is an important concept in macroeconomics.
Academic definition
这种行为虽然不合法，但在某种程度上是合理的。
Although this behavior is illegal, it is reasonable to some extent.
虽然...但... (contrast)
我们要合理引导社会舆论。
We should rationally guide public opinion.
Formal verb '引导'
建筑的设计必须兼顾美观与合理性。
The design of the building must balance aesthetics and rationality.
兼顾 (give consideration to both)
这种逻辑推导过程严密且合理。
This logical deduction process is rigorous and rational.
Adjective pair '严密且合理'
我们需要反思现代性逻辑下的工具合理性。
We need to reflect on instrumental rationality under the logic of modernity.
Philosophical terminology
法律的生命不在于逻辑，而在于合理性的实践。
The life of the law lies not in logic, but in the practice of reasonableness.
不在于...而在于...
该制度的合理性根植于深厚的文化传统之中。
The rationality of the system is rooted in deep cultural traditions.
根植于...之中
合理性的界限往往是模糊且具有争议的。
The boundaries of rationality are often blurred and controversial.
Abstract subject
这种叙事策略在文学创作中具有内在的合理性。
This narrative strategy has an inherent rationality in literary creation.
内在 (inherent)
我们必须警惕打着“合理”旗号的非理性行为。
We must be wary of irrational behavior under the banner of 'reasonableness'.
打着...旗号 (under the banner of)
全球治理体系的变革需要追求更广泛的合理性。
The transformation of the global governance system needs to pursue a broader rationality.
Formal political discourse
合理性的建构是一个动态的社会过程。
The construction of rationality is a dynamic social process.
Sociological terminology
Common Collocations
Common Phrases
Often Confused With
Idioms & Expressions
Easily Confused
Sentence Patterns
Word Family
Related
How to Use It
Don't call a person '合理'; call their actions '合理'.
合理 is for logic/fairness; 合适 is for fitting/suitability.
- Using 合理 for clothing size.
- Using 合理 for factual correctness.
- Placing 合理 after the verb in a command.
- Confusing 合理 with 合法 in legal discussions.
- Describing a person's character as 合理.
Tips
Pairings
Always remember '合理价格' and '合理安排'. These are the most common pairs.
Placement
When using it as an adverb, put it directly before the verb.
Harmony
Use '合理' to appeal to someone's sense of fairness in a dispute.
Reason vs. Fit
Ask: 'Does it make sense?' (合理) or 'Does it fit?' (合适).
Formalizing
Use '合理性' to discuss the validity of an argument in essays.
Bargaining
Use '合理' to negotiate prices without being rude.
Context
In news, '合理' often refers to government policy justifications.
Character
Remember '理' from '道理' (reason/principle).
Avoid
Don't use '合理' for 'correct' (正确) in math problems.
Level Up
Use '合情合理' to sound like a native speaker.
Memorize It
Word Origin
Cultural Context
Using '合理' in bargaining is a polite way to ask for a lower price without insulting the seller.
A '合理' solution is often a middle-ground solution that preserves harmony.
In China, being '合理' (morally/logically right) is sometimes considered more important than being strictly '合法' (legal).
Practice in Real Life
Real-World Contexts
Conversation Starters
"你觉得这个价格合理吗？"
"我们该如何合理安排这周末的时间？"
"你认为这个规定合理吗？"
"有没有什么合理的解释？"
"怎样才能合理分配我们的任务？"
Journal Prompts
描述一次你觉得非常不合理的经历。
你如何合理安排自己的学习时间？
你认为社会上最合理的分配方式是什么？
写一段话，说服别人你的要求是合理的。
讨论一下‘合理’与‘合法’的区别。
Frequently Asked Questions
10 questionsNo, use 合适 (héshì) for clothes that fit. Use 合理 for the price of the clothes.
合理 is usually an adjective for things (plans, prices). 理性 is often for people or systems (rationality).
It is both. You can use it in a market or in a scientific paper.
Simply say 不合理 (bù hélǐ).
It's better to say '一个讲道理的人' (a person who listens to reason).
It means something is both logically sound and emotionally/socially fair.
Yes, 'reasonable doubt' is '合理怀疑'.
As '合理性' (hélǐxìng), it means 'rationality'.
Place it before the verb, e.g., '合理安排'.
Yes, it is very common in daily life and business.
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Summary
合理 (hélǐ) is an essential B1-level adjective used to describe anything that is logical, fair, or justifiable. Whether you are negotiating a price, planning your day, or making an argument, '合理' is your go-to word for saying 'this makes sense'.
- 合理 (hélǐ) means 'reasonable' or 'rational'. It is used for prices, plans, and logic.
- It is composed of '合' (match) and '理' (reason), literally 'matching reason'.
- Commonly used in '合理价格' (fair price) and '合理安排' (rational arrangement).
- Don't confuse it with '合适' (héshì), which means 'suitable' or 'fitting' (like clothes).
Pairings
Always remember '合理价格' and '合理安排'. These are the most common pairs.
Placement
When using it as an adverb, put it directly before the verb.
Harmony
Use '合理' to appeal to someone's sense of fairness in a dispute.
Reason vs. Fit
Ask: 'Does it make sense?' (合理) or 'Does it fit?' (合适).
Example
他的解释听起来非常合理。
