B1 noun 13 min read
At the A1 level, you can think of '不可靠的' (bù kě kào de) as meaning 'not good' or 'cannot use.' Even though it is a B1 word, you might see it in simple contexts like talking about a broken toy or a friend who doesn't come to play. You should focus on the '不' (not) part. If '可靠' is 'good/dependable,' then '不可靠' is the opposite. You can use it in very simple sentences like '他不靠谱' (He is not reliable) if you want to sound a bit more advanced than just saying '他不好' (He is not good). At this stage, just remember that it describes something you cannot trust to work or happen every time. For example, if your pencil always breaks, it is '不可靠的.' If your bus is always late, the bus is '不可靠的.' It is a useful word to express that you are frustrated because something did not do what it was supposed to do.
At the A2 level, you can start using '不可靠的' to describe people's actions and simple machines. You should understand that '靠' (kào) means 'to lean,' so this word literally means you 'cannot lean' on something. You can use it to talk about daily life: '这个闹钟不可靠' (This alarm clock is unreliable). This is better than just saying 'broken' because the clock might still work sometimes, but you can't trust it to wake you up. You can also use it for simple weather talk: '今天的天气预报不可靠' (Today's weather forecast is unreliable). At this level, you should try to use the '是...的' pattern, like '这个信息是不可靠的.' This helps you sound more natural. You are moving beyond simple 'yes/no' or 'good/bad' descriptions and starting to talk about the quality of things and people.
At the B1 level, you should be able to use '不可靠的' in a variety of social and professional settings. You understand the difference between '不可靠' (unreliable) and '不诚实' (dishonest). You can use it to discuss your opinions on news, technology, and workplace behavior. For example, you might say, '这种研究方法在某些情况下是不可靠的' (This research method is unreliable in some situations). You should also be familiar with its colloquial cousin '不靠谱' (bù kào pǔ) and know when to use each. At this level, you can use the word to provide nuanced feedback. Instead of just saying a product is bad, you can explain that its 'performance is unreliable' (表现不可靠). This shows you have a deeper vocabulary for evaluation. You can also use it to describe abstract things like 'intuition' (直觉) or 'memory' (记忆).
At the B2 level, you can use '不可靠的' to engage in more complex arguments and critiques. You understand that unreliability can be a systemic issue, not just an individual one. You can use the word in academic or business writing to describe data sets, economic indicators, or political promises. For example, '由于缺乏透明度,这些统计数据被认为是不可靠的' (Due to a lack of transparency, these statistics are considered unreliable). You can also use it to describe literary characters or 'unreliable narrators' (不可靠的叙述者). You should be comfortable using the word with various intensifying adverbs like '极其' (extremely) or '相当' (quite). You also understand the cultural implications—that calling a business partner '不可靠' is a very serious criticism in a culture that values 'Guanxi' and long-term trust.
At the C1 level, you use '不可靠的' with precision and stylistic flair. You can integrate it into sophisticated discussions about philosophy, law, or high-level science. You might use it to discuss the 'unreliability of human perception' (人类感知的不可靠性) in a psychology seminar. You are also aware of the word's etymological roots and can use related idioms or classical references to strengthen your point. You can distinguish between '不可靠' and more specific terms like '变幻莫测' (unpredictable) or '虚实难辨' (hard to tell real from fake). In professional environments, you use this word to provide balanced, objective critiques that focus on evidence and consistency. Your use of the word is no longer just about frustration; it's about a rigorous assessment of validity and stability across different domains of knowledge.
At the C2 level, '不可靠的' is just one tool in a massive arsenal of descriptive terms. You use it with a native-like grasp of irony, sarcasm, and subtle nuance. You can use it to deconstruct complex systems or theories, pointing out the '不可靠的逻辑基础' (unreliable logical foundations) of an argument. You are comfortable using it in any register, from the most formal legal documents to the most slang-heavy street talk. You can also use it to discuss the inherent unreliability of language itself (语言本身的不可靠性). Your understanding of the word is deeply tied to a profound knowledge of Chinese culture and history, allowing you to use it in ways that resonate with deep cultural values regarding trust, stability, and the nature of reality. You can effortlessly switch between '不可靠', '不靠谱', and classical equivalents like '不足信' depending on the audience and purpose.

The Chinese term 不可靠的 (bù kě kào de) is a quintessential descriptor used to denote a lack of reliability, dependability, or trustworthiness. At its linguistic core, the term is constructed from three distinct components: '不' (bù), meaning 'not'; '可' (kě), meaning 'can' or 'able to'; and '靠' (kào), which literally means 'to lean against' or 'to depend upon.' When combined with the adjectival marker '的' (de), it characterizes an entity—be it a person, a machine, a piece of information, or a system—as something that cannot be leaned upon. In a cultural context where social harmony and interpersonal trust (信誉, xìnyù) are paramount, labeling someone or something as bù kě kào carries significant weight. It suggests a fundamental failure to meet expectations or fulfill promises. This word is versatile, appearing in casual conversations about a flaky friend, professional critiques of a buggy software update, or academic discussions regarding the validity of historical data. Understanding this word requires grasping the concept of 'Kào' (靠). In ancient Chinese thought, leaning against something solid, like a mountain or a sturdy wall, represented security. Thus, being 'un-lean-able' implies a dangerous instability. Whether you are describing a car that breaks down frequently or a witness whose testimony is full of holes, 不可靠的 is the precise tool for the job. It bridges the gap between simple 'badness' and a specific failure of consistency.

Interpersonal Context
Used to describe people who frequently break promises, show up late, or fail to complete tasks. It targets their character and consistency.
Technical Context
Refers to machinery, electronics, or internet connections that are prone to failure or intermittent performance.
Information Context
Describes rumors, unverified news, or data sets that lack a solid evidentiary basis.

那个推销员的话通常是不可靠的。(That salesman's words are usually unreliable.)

这种旧型号的机器是非常不可靠的。(This old model of machine is very unreliable.)

In modern Mandarin, you might also hear the slang term '不靠谱' (bù kào pǔ), which is a more colloquial way of saying the same thing, particularly in Northern China. However, 不可靠的 remains the standard, more formal, and universally understood term across all Chinese-speaking regions. It is especially common in written reports, news broadcasts, and serious interpersonal evaluations. If you are writing a performance review or a product complaint, this is the term to use. It carries a sense of objective observation rather than just personal annoyance. When you call someone 'bù kě kào,' you are stating that their track record proves they cannot be trusted with responsibilities. This differs from '不诚实' (bù chéng shí - dishonest), as an unreliable person might be honest about their mistakes but simply lacks the ability to follow through. Reliability is about the result, whereas honesty is about the intent.

网上的信息往往是不可靠的。(Information on the internet is often unreliable.)

他是一个不可靠的证人。(He is an unreliable witness.)

天气预报有时是不可靠的。(The weather forecast is sometimes unreliable.)

Using 不可靠的 effectively requires understanding its grammatical placement. Most commonly, it functions as an adjective modifying a noun or as a predicative adjective following a linking verb. Because it is a four-syllable phrase (including the marker '的'), it has a rhythmic balance that fits well in both short and long sentences. When modifying a noun, the structure is typically [不可靠的] + [Noun]. For example, '不可靠的消息' (unreliable news). When used as a predicate, the '是...的' structure is frequently employed to emphasize the characteristic: '他的承诺是不可靠的' (His promises are unreliable). It is important to note that '不可靠' can stand alone without '的' if it is followed immediately by certain nouns in fixed expressions, but for general use, keeping '的' is safer for learners. Furthermore, the degree of unreliability can be modified by adverbs like '非常' (fēicháng - very), '极其' (jíqí - extremely), or '有点儿' (yǒudiǎnr - a bit).

Direct Modification
Structure: [不可靠的] + [Noun]. Example: 不可靠的朋友 (An unreliable friend).
Predicative Use
Structure: [Subject] + [是] + [不可靠的]. Example: 这个数据是不可靠的 (This data is unreliable).
Adverbial Modification
Structure: [Adverb] + [不可靠]. Example: 极其不可靠 (Extremely unreliable).

我们不能依赖这种不可靠的技术。(We cannot rely on this kind of unreliable technology.)

在这个问题上,直觉往往是不可靠的。(Intuition is often unreliable on this issue.)

When discussing people, '不可靠' often implies a lack of '责任感' (zé rèn gǎn - sense of responsibility). For instance, '他虽然聪明,但工作表现很不可靠' (Although he is smart, his work performance is very unreliable). In this context, it suggests inconsistency. In contrast, when applied to objects, it usually refers to '稳定性' (wěn dìng xìng - stability). A bridge, a ladder, or a car engine can all be described as bù kě kào if they pose a safety risk or fail to perform their intended function. In formal writing, such as a legal disclaimer or a scientific paper, you might see phrases like '由于样本量小,结论可能是不可靠的' (Due to the small sample size, the conclusion may be unreliable). This demonstrates the word's utility in academic skepticism. It allows the speaker to question the validity of something without necessarily calling it a 'lie' or 'false,' which is a more nuanced and polite way of expressing doubt in professional settings.

历史记录有时被证明是不可靠的。(Historical records are sometimes proven to be unreliable.)

别买那个牌子,它们的电池质量太不可靠了。(Don't buy that brand; their battery quality is too unreliable.)

一个不可靠的指南针会让你迷路。(An unreliable compass will make you lose your way.)

In daily Chinese life, you will encounter 不可靠的 in several key environments. One of the most common is the marketplace. Whether it's a bustling street market in Beijing or an online shopping platform like Taobao, customers use this word to describe products that look good but perform poorly. You'll hear '这家店的服务很不可靠' (This shop's service is very unreliable) if a delivery is late or an item is damaged. In the workplace, managers might use it during performance reviews or when discussing potential partners: '这个供应商在关键时刻总是不可靠' (This supplier is always unreliable at critical moments). It acts as a professional red flag. Another major area is the news and social media. With the rise of 'fake news' (假新闻), commentators frequently warn the public that '某些社交媒体平台上的消息是不可靠的' (News on certain social media platforms is unreliable). This usage highlights the word's role in critical thinking and media literacy.

News Media
Used to describe unverified reports or volatile economic indicators. '不可靠的数据' (Unreliable data) is a common headline phrase.
Office Gossip
Used to warn colleagues about someone who takes credit but doesn't do the work. '他这人挺不可靠的' (He's quite an unreliable person).
Consumer Reviews
Found in the 'low rating' sections of apps like Meituan or Dianping to describe bad Wi-Fi or inaccurate menu descriptions.

这种老式电梯非常不可靠,经常出故障。(This old-style elevator is very unreliable; it often breaks down.)

专家认为,这种预测方法是不可靠的。(Experts believe that this prediction method is unreliable.)

Furthermore, in the context of dating and relationships, 不可靠的 is a common 'deal-breaker' descriptor. If someone is described as '不可靠的男人' (an unreliable man) or '不可靠的女人' (an unreliable woman), it usually implies they are not ready for a serious commitment or are prone to changing their minds. In literature and film, an 'unreliable narrator' is translated as '不可靠的叙述者' (bù kě kào de xù shù zhě). This shows the term's reach into high-level artistic criticism. Whether you are listening to a podcast about history, reading a tech blog, or just chatting with a neighbor about the local bus schedule, the concept of unreliability is a constant thread in human communication. It expresses the universal frustration of expectations not meeting reality. By mastering this word, you gain the ability to express skepticism and caution, which are essential tools for navigating any culture, especially one as fast-paced and complex as modern China.

在战争中,这种通讯方式是不可靠的。(In war, this method of communication is unreliable.)

那个证人的记忆被认为是不可靠的。(That witness's memory was considered unreliable.)

不要买那种不可靠的便宜货。(Don't buy those unreliable cheap goods.)

Learning to use 不可靠的 correctly involves avoiding a few common pitfalls that English speakers often fall into. The first mistake is confusing 'unreliable' (不可靠) with 'untrustworthy' in a moral or criminal sense (不诚实 or 狡猾). While they overlap, bù kě kào focuses on the *result* of their actions—the fact that you can't depend on them—rather than their intent to deceive. A well-meaning person who is simply disorganized is '不可靠,' but not necessarily '不诚实.' Another common error is the misuse of the particle '的.' Learners often forget that when '不可靠' is used after '很' (very) at the end of a sentence, the '的' is usually dropped (e.g., '他很不可靠' vs. '他是不可靠的'). Using '的' in the wrong place can make your sentence sound clunky or overly formal. Furthermore, learners sometimes confuse '不可靠' with '不安全' (bù ān quán - unsafe). While an unreliable bridge is unsafe, an unreliable friend is not necessarily a physical threat. It's important to choose the word that matches the specific type of failure you are describing.

Confusion with 'Unsafe'
Mistake: Calling a dangerous cliff '不可靠' when '危险' (wēixiǎn) or '不安全' is better. Use '不可靠' for things that *might* fail, not things that are actively dangerous.
Overusing '的'
Mistake: Saying '他是一个很不可靠的人的' (adding an extra 'de' at the end). Keep the structure clean: '他是一个很不可靠的人'.
Register Mismatch
Mistake: Using '不可靠' in a very casual street setting where '不靠谱' (bù kào pǔ) would sound more natural and 'cool'.

Incorrect: 他的话是不安全的。(His words are unsafe - unless his words cause physical harm!)

Correct: 他的话是不可靠的。(His words are unreliable.)

Another subtle mistake is applying '不可靠' to abstract concepts that don't imply a 'leaning' relationship. For example, you wouldn't usually call a 'color' or a 'smell' bù kě kào unless you are relying on them for a specific purpose (like a scientist relying on a chemical color change). If you just don't like a color, use '不好看' (bù hǎo kàn). Additionally, avoid using '不可靠' as a noun on its own. While the prompt identifies it as a noun (likely referring to the substantivized 'unreliable person'), in most contexts, it needs a noun to follow it. For example, '他不但是个骗子,还是个不可靠的人' (He is not only a liar but also an unreliable person). Simply saying '他是个不可靠' is grammatically incomplete in Chinese. Finally, remember that '不可' is a formal negation. In very casual speech, '不' is enough, but '不可靠' is a fixed four-character structure that should not be shortened to '不靠' (which means something else entirely, like 'not leaning').

Incorrect: 他很不靠。(He is 'not lean' - makes no sense.)

Correct: 他很不可靠。(He is very unreliable.)

Incorrect: 这是一个不可靠消息。(Missing '的' makes it sound slightly unnatural in many contexts.)

To truly master the concept of unreliability in Chinese, you must understand the spectrum of similar words. While 不可靠的 is the standard term, other words offer different shades of meaning. For instance, '不靠谱' (bù kào pǔ) is the most common colloquial alternative. It literally means 'not according to the music score,' implying that someone is acting randomly or without a plan. It's used for people who are flaky or ideas that are unrealistic. Then there is '靠不住' (kào bù zhù), which is more physical and visceral. It suggests that if you were to lean on this thing, it would collapse. This is often used for furniture, old buildings, or people who lack stamina. On the more formal side, '虚假的' (xūjiǎ de) means 'false' or 'fake,' used for data or identities. '不稳定的' (bù wěndìng de) means 'unstable,' often used for prices, weather, or emotions. Understanding these distinctions allows you to be much more precise in your descriptions.

不可靠 (Bù kě kào) vs. 不靠谱 (Bù kào pǔ)
不可靠 is formal and general. 不靠谱 is informal and often implies a lack of common sense or professional standards. You'd use '不可靠' for a bridge and '不靠谱' for a friend's crazy business idea.
不可靠 (Bù kě kào) vs. 靠不住 (Kào bù zhù)
靠不住 is more idiomatic and emphasizes the physical or metaphorical 'collapse' of support. It's very common in spoken Mandarin when expressing personal disappointment.
不可靠 (Bù kě kào) vs. 不信任 (Bù xìnrèn)
不可靠 is an attribute of the *object* (The car is unreliable). 不信任 is an action or feeling of the *subject* (I don't trust the car). They are related but describe different sides of the trust equation.

他的想法太不靠谱了,根本无法实现。(His idea is too unreliable/crazy; it's simply impossible to achieve.)

这把椅子靠不住,别坐上去。(This chair is unreliable/unstable; don't sit on it.)

Other words to consider include '差劲' (chàjìn), which means 'poor quality' or 'disappointing.' While an unreliable person is bù kě kào, a person who does a really bad job is chàjìn. Then there is '变幻莫测' (biànhuàn mòcè), an idiom for things that change so fast they are unpredictable, like the stock market or weather. This is a higher-level synonym for unreliability due to volatility. Lastly, '草率' (cǎoshuài) describes someone who is 'careless' or 'hasty.' A careless person's work is often bù kě kào because they don't check for errors. By building a web of these related terms, you can describe exactly *why* something is unreliable. Is it because it's fake? Is it because it's unstable? Is it because the person is careless? Each alternative provides a different perspective on the central theme of 'not being able to be relied upon.'

这种草率的态度会让你的工作变得不可靠。(This hasty attitude will make your work unreliable.)

春天的天气总是变幻莫测,非常不可靠。(Spring weather is always unpredictable and very unreliable.)

那个消息来源是虚假的,完全不可靠。(That news source is false and completely unreliable.)

Examples by Level

1

这个玩具不可靠。

This toy is unreliable.

Subject + Adjective structure.

2

他不靠谱。

He is not reliable.

Colloquial version of unreliable.

3

那辆车不可靠。

That car is unreliable.

Simple demonstrative + noun + adjective.

4

我的笔不可靠。

My pen is unreliable.

Possessive + noun + adjective.

5

这个消息不可靠。

This news is unreliable.

Using 'news' as a subject.

6

那个人很不可靠。

That person is very unreliable.

Adding '很' (very) for emphasis.

7

天气预报不可靠。

The weather forecast is unreliable.

Common daily life subject.

8

这把椅子不可靠。

This chair is unreliable.

Describing physical stability.

1

这种旧电梯是非常不可靠的。

This kind of old elevator is very unreliable.

Using '是...的' for emphasis.

2

他的承诺通常是不可靠的。

His promises are usually unreliable.

Adding frequency adverb '通常'.

3

不要买那个不可靠的闹钟。

Don't buy that unreliable alarm clock.

Imperative sentence with adjective modifying noun.

4

网上的很多信息是不可靠的。

A lot of information on the internet is unreliable.

Locative phrase as subject.

5

我觉得那个计划很不可靠。

I think that plan is very unreliable.

Expressing an opinion with '我觉得'.

6

这台电脑最近变得很不可靠。

This computer has become very unreliable recently.

Using '变得' (become) to show change.

7

一个不可靠的朋友会让你难过。

An unreliable friend will make you sad.

Complex subject with '的'.

8

这个指南针在森林里是不可靠的。

This compass is unreliable in the forest.

Adding a situational context.

1

在这种极端天气下,公共交通变得不可靠。

Under this extreme weather, public transport becomes unreliable.

Using '在这种...下' prepositional phrase.

2

专家警告说,这些数据可能是不可靠的。

Experts warn that these data might be unreliable.

Reporting speech with '警告说'.

3

他因为表现不可靠而被公司解雇了。

He was fired by the company because of his unreliable performance.

Passive '被' structure with causal '因为'.

4

由于缺乏维护,这座桥已经变得不可靠了。

Due to lack of maintenance, this bridge has become unreliable.

Formal causal '由于'.

5

在没有证据的情况下,这种说法是不可靠的。

In the absence of evidence, this claim is unreliable.

Conditional phrase '在没有...的情况下'.

6

不要依赖那种不可靠的软件来保存文件。

Don't rely on that unreliable software to save files.

Verb '依赖' (rely on) used with the word.

7

虽然他很有名,但他的建议往往是不可靠的。

Although he is famous, his advice is often unreliable.

Concessive '虽然...但' structure.

8

这种测试结果在医学上被认为是不可靠的。

This test result is considered medically unreliable.

Using '被认为是' (is considered to be).

1

在政治辩论中,这种情绪化的指责通常是不可靠的。

In political debates, such emotional accusations are usually unreliable.

Abstract noun modification.

2

由于样本量太小,该研究的结论被批评为不可靠。

The study's conclusions were criticized as unreliable due to the small sample size.

Criticism structure '被批评为'.

3

这种投资方式在经济危机期间表现得极其不可靠。

This investment method performed extremely unreliably during the economic crisis.

Adverbial '极其' modifying the adjective.

4

叙述者的不可靠性是这部小说的一个核心主题。

The unreliability of the narrator is a core theme of this novel.

Turning '不可靠' into a noun '不可靠性' (unreliability).

5

如果我们继续使用不可靠的零部件,产品质量将无法保证。

If we continue to use unreliable components, product quality will not be guaranteed.

Conditional '如果...将' structure.

6

在这个快速变化的时代,传统的预测模型变得越来越不可靠。

In this rapidly changing era, traditional prediction models are becoming increasingly unreliable.

Using '越来越' (more and more).

7

他那不可靠的性格让他很难维持长久的人际关系。

His unreliable personality makes it hard for him to maintain long-term relationships.

Causal relationship with '让' (make/cause).

8

在法律程序中,不可靠的证言会被法官排除。

In legal proceedings, unreliable testimony will be excluded by the judge.

Passive voice in a formal context.

1

这种理论建立在一些不可靠的假设之上,因此难以令人信服。

This theory is built on some unreliable assumptions and is therefore unconvincing.

Complex logical connection with '因此'.

2

历史学家指出,古代文献中的某些记载可能是不可靠的,带有主观偏见。

Historians point out that some records in ancient documents may be unreliable and carry subjective bias.

Formal academic reporting structure.

3

在量子力学中,观察者的角色使得传统的确定性变得不可靠。

In quantum mechanics, the role of the observer makes traditional certainty unreliable.

Scientific context with abstract subjects.

4

这种算法在处理非结构化数据时表现出明显的不可靠性。

This algorithm shows obvious unreliability when processing unstructured data.

Technical terminology '非结构化数据'.

5

不可靠的电力供应严重阻碍了该地区的工业化进程。

Unreliable power supply has seriously hindered the industrialization process in the region.

Economic and developmental context.

6

鉴于其过去不可靠的记录,我们必须对他提出的新提议保持警惕。

Given his past record of unreliability, we must remain vigilant about his new proposal.

Using '鉴于' (given/in view of).

7

在极高压环境下,这些材料的物理特性会变得极其不可靠。

Under extremely high pressure, the physical properties of these materials become extremely unreliable.

Advanced scientific description.

8

依赖不可靠的直觉而非严谨的逻辑,往往会导致决策失误。

Relying on unreliable intuition rather than rigorous logic often leads to decision-making errors.

Contrastive structure '而非' (rather than).

1

解构主义者认为,文本的意义本身就是不确定且不可靠的。

Deconstructionists argue that the meaning of a text is inherently uncertain and unreliable.

Philosophical discourse.

2

这种外交策略的风险在于,它高度依赖于某些不可靠的政权支持。

The risk of this diplomatic strategy lies in its high dependence on support from certain unreliable regimes.

Geopolitical analysis.

3

人类记忆的不可靠性已被无数心理学实验所证实。

The unreliability of human memory has been confirmed by countless psychological experiments.

Scientific consensus phrasing.

4

在信息爆炸的时代,辨别不可靠信息的能力已成为一种必备的生存技能。

In the era of information explosion, the ability to discern unreliable information has become an essential survival skill.

Societal commentary.

5

由于其不可靠的执行机制,该国际协议在很大程度上沦为了纸上谈兵。

Due to its unreliable enforcement mechanism, the international agreement has largely become mere paper talk.

Idiomatic expression '纸上谈兵' (empty talk).

6

这种审美判断在很大程度上是主观的,因而也是不可靠的。

This aesthetic judgment is largely subjective and, therefore, unreliable.

Critical analysis of subjectivity.

7

如果我们无法解决不可靠的基础设施问题,经济增长将是不可持续的。

If we cannot resolve the issue of unreliable infrastructure, economic growth will be unsustainable.

Complex conditional with economic focus.

8

这种对不可靠性的深刻认识,贯穿了他的整个哲学体系。

This profound awareness of unreliability runs through his entire philosophical system.

Thematic analysis.

Was this helpful?

Comments (0)

Login to Comment
No comments yet. Be the first to share your thoughts!