At the A1 level, learners are just beginning their journey into the Chinese language. The vocabulary word 确信 (quèxìn) is generally considered too advanced and formal for this stage. A1 learners focus on basic survival Chinese, simple greetings, numbers, and fundamental verbs like 'to be' (是), 'to have' (有), and 'to want' (要). When an A1 learner wants to express the concept of 'believing' or 'thinking', they are taught the much simpler and more versatile verbs 觉得 (juéde - to feel/think) or 相信 (xiāngxìn - to believe). For example, instead of saying 'I am convinced it will rain', an A1 learner would simply say '我觉得会下雨' (I think it will rain). The cognitive load of understanding the difference between simple belief and firm conviction is unnecessary at this stage. Teachers at the A1 level will actively avoid introducing 确信 to prevent confusion with other words sharing the '信' character. If a student encounters this word in a text, the teacher will likely translate it simply as 'believe' to keep the explanation accessible. The focus is entirely on building a foundational vocabulary that allows for immediate, practical communication in everyday scenarios. Complex mental state verbs are reserved for later stages when the learner has a better grasp of sentence structures and clauses, which are required to use this specific word correctly. Therefore, at A1, the concept exists only in its simplest forms (thinking/believing), and the specific nuance of 'conviction' is bypassed entirely in favor of communicative fluency.
At the A2 level, learners are expanding their ability to express opinions, describe routines, and handle common social interactions. While 确信 (quèxìn) is still slightly above their active production level, they might begin to encounter it passively in simplified reading materials or structured listening exercises. At this stage, learners are very comfortable with 觉得 (to think/feel) and are starting to use 相信 (to believe) more frequently. If an A2 learner wants to express a stronger sense of certainty, they are usually taught to use adverbs with simpler verbs, such as 肯定 (kěndìng - definitely) or 一定 (yídìng - certainly). For instance, they would say '他肯定会来' (He will definitely come) rather than '我确信他会来' (I am convinced he will come). The grammatical structure required for 确信—specifically, taking a full clause as an object—can still be slightly intimidating for A2 learners who are just mastering basic subject-verb-object patterns. However, introducing the word passively at this stage can be beneficial. A teacher might explain it as a 'stronger version of 相信'. Learners at A2 are encouraged to recognize the character '确' from words they might be learning, like 确实 (indeed), and '信' from 相信, helping them deduce the meaning through character components. While they are not expected to use it in their own speaking or writing, understanding its basic meaning prepares them for the transition to intermediate Chinese, where expressing nuanced mental states becomes a core requirement of the curriculum.
The B1 level is the exact sweet spot for the introduction and active mastery of 确信 (quèxìn). At this intermediate stage, learners are transitioning from simple, concrete language to more abstract and nuanced expressions. They are required to articulate their opinions clearly, provide reasons, and express varying degrees of certainty. This word becomes an essential tool in their vocabulary arsenal. B1 learners are taught the distinct difference between the general belief of 相信 and the firm, evidence-based conviction of 确信. They learn the standard syntactic structure: Subject + 确信 + Clause. For example, they practice sentences like '我确信只要努力就能成功' (I am convinced that as long as one works hard, one can succeed). At this level, learners also begin to engage with more formal texts, such as news articles, opinion pieces, and formal emails, where this word frequently appears. Teachers emphasize the appropriate contexts for its use, steering students away from using it for trivial matters (like being convinced a pizza is good) and toward more significant declarations (like being convinced of a project's success). Furthermore, B1 learners are introduced to common collocations, such as 完全确信 (completely convinced), which helps them sound more natural and fluent. Mastering this word at the B1 level marks a significant step in a learner's ability to communicate with confidence and precision, allowing them to participate in debates, express strong viewpoints, and understand the subtle tones of native speakers in professional and academic settings.
At the B2 level, learners are expected to have a high degree of fluency and the ability to navigate complex, abstract topics with ease. The use of 确信 (quèxìn) should be completely natural and automatic. B2 learners no longer just use the basic 'Subject + 确信 + Clause' structure; they begin to integrate the word into more sophisticated grammatical patterns and longer, cohesive discourses. They use it to structure arguments, present hypotheses, and draw conclusions in both spoken and written Chinese. For example, a B2 learner might write in an essay: '基于上述数据,我们有充分的理由确信该政策将带来积极的经济影响' (Based on the above data, we have ample reason to be convinced that the policy will bring positive economic impacts). At this stage, learners are also highly aware of the stylistic differences between synonyms. They know exactly when to choose 确信 over 坚信 (firmly believe emotionally) or 认定 (stubbornly maintain). They understand the pragmatic weight of the word and use it to project authority and confidence in professional or academic role-plays. Furthermore, B2 learners can comfortably handle the passive or adjectival forms, such as 令人确信 (convincing). They might critique an argument by saying '他的论点不够令人确信' (His argument is not convincing enough). The focus at the B2 level is on refining the usage, ensuring that the word is deployed not just grammatically correctly, but with the appropriate rhetorical impact and cultural nuance expected of an advanced speaker.
At the C1 level, learners possess an advanced, near-native operational proficiency. Their use of 确信 (quèxìn) is sophisticated, nuanced, and fully integrated into a vast web of vocabulary. C1 learners encounter this word frequently in unadapted, authentic materials: complex literature, academic journals, legal documents, and high-level political discourse. They understand the subtle implications of the word in these specialized contexts. For instance, in a legal context, they understand the weight of '法庭确信' (the court is convinced) regarding the burden of proof. C1 learners can manipulate the word effortlessly in complex sentence structures, often using it in conjunction with advanced conjunctions and rhetorical devices. They might use double negatives for emphasis: '我并非不确信他的能力,而是对目前的市场环境感到担忧' (It is not that I am unconvinced of his ability, but rather I am worried about the current market environment). At this level, the focus is on stylistic elegance and precision. Learners can detect when a native speaker uses the word ironically or hyperbolically. They also master the precise collocations used in formal writing, such as 深切确信 (deeply convinced) or 毋庸置疑地确信 (unquestionably convinced). For a C1 learner, 确信 is not just a vocabulary item to be translated; it is a conceptual tool used to navigate the highest levels of intellectual and professional communication in Chinese, allowing them to express absolute certainty with the grace and authority of an educated native speaker.
At the C2 level, the learner's mastery of the language is akin to that of a highly educated native speaker. The word 确信 (quèxìn) is used with absolute precision, instinct, and rhetorical flair. C2 learners do not even consciously think about the grammar or syntax of the word; its application is entirely intuitive. They can play with the word, using it in creative, literary, or philosophical ways. They understand the deep cultural and psychological underpinnings of expressing certainty in Chinese discourse. A C2 learner might use the word to analyze complex philosophical texts, discussing the epistemological difference between 'knowing' (知道) and 'being convinced' (确信) in the context of Chinese thought. They can seamlessly shift registers, using the word appropriately in a highly formal keynote address, a dense academic dissertation, or a profound, emotionally charged conversation. They are also capable of coining new, context-specific phrases using the word, or understanding obscure, archaic usages if they appear in classical-adjacent modern texts. At this ultimate level of proficiency, the learner's vocabulary is vast, and their choice to use 确信 over any of its dozens of synonyms is a deliberate, stylistic choice designed to evoke a specific reaction, establish a precise tone, or articulate a thought with maximum clarity and impact. The word is fully internalized, serving as a flawless instrument for the expression of absolute, unwavering cognitive certainty.

确信 in 30 Seconds

  • Means 'to be convinced' or 'to firmly believe'.
  • Stronger and more formal than 相信 (to believe).
  • Usually followed by a complete sentence/clause.
  • Used in professional, academic, and serious contexts.

The Chinese verb 确信 (quèxìn) is a fundamental vocabulary word at the CEFR B1 level, primarily used to express a strong, unwavering belief or certainty about a specific fact, event, or outcome. To truly understand what it means, we must break down its morphological components and examine its cognitive and linguistic implications in modern Mandarin Chinese. The word is composed of two characters: '确' (què) and '信' (xìn). The first character, '确', translates to 'firm', 'solid', 'true', or 'certain'. It is the same character found in words like 确定 (to determine/certain) and 确实 (indeed/truly). It conveys a sense of unshakable reality, something that is grounded in evidence or deep conviction. The second character, '信', translates to 'believe', 'trust', or 'faith'. It appears in common words such as 相信 (to believe) and 信任 (to trust). When combined, these two characters create a compound verb that literally means 'to firmly believe' or 'to have solid faith in something'.

Morphological Breakdown
确 (què): Firm, resolute, authentic. 信 (xìn): To believe, trust, confidence. Together: Firm belief.

Unlike the more common and basic verb 相信 (xiāngxìn), which simply means 'to believe' and can be used in a wide variety of casual contexts (e.g., believing a friend's story, believing in ghosts), 确信 carries a much heavier semantic weight. It implies that the belief is not just a casual assumption, but a conviction arrived at through reasoning, evidence, or profound intuition. When a speaker uses this word, they are signaling to the listener that there is virtually no room for doubt in their mind. This makes it an excellent word for formal declarations, professional environments, academic writing, and serious interpersonal conversations where absolute certainty needs to be established.

确信我们的团队能够按时完成这个项目。

I am convinced that our team can finish this project on time.

In terms of its grammatical function, it acts as a transitive verb that frequently takes a clause as its object. You will often see it followed by a complete sentence structure detailing exactly what the subject is certain about. For example, '我确信他明天会来' (I am convinced he will come tomorrow). It can also be modified by adverbs of degree to further intensify the certainty, such as 完全 (completely) or 充分 (fully). Thus, '我完全确信' translates to 'I am absolutely convinced'.

Culturally, expressing such strong certainty can sometimes be seen as bold in traditional Chinese communication, which often favors modesty and leaving room for alternative possibilities. Therefore, using this term indicates a situation where the speaker feels it is necessary to be direct and unequivocal. It is frequently used by leaders, experts, and individuals making promises or guarantees. Understanding the nuance between simply believing something and being convinced of it is crucial for mastering intermediate to advanced Chinese.

科学家们确信全球变暖是人类活动造成的。

Semantic Weight
Heavier and more formal than 相信. Indicates zero doubt.

Furthermore, the psychological state implied by this vocabulary item is one of cognitive rest. The speaker has evaluated the situation and reached a definitive conclusion. There is no ongoing debate in their mind. This is why it is rarely used with words expressing probability or doubt. You cannot say '我可能确信' (I am probably convinced) because the semantics of the two words clash. It demands absolute modifiers.

法官确信被告是无辜的。

To summarize the meaning, whenever you encounter a situation in Chinese where you need to translate the English concepts of 'being convinced', 'feeling sure', or 'firmly believing', this is your go-to vocabulary word. It bridges the gap between everyday conversational Chinese and more sophisticated, precise articulation of mental states. Mastering its meaning allows learners to express confidence and clarity, essential traits for effective communication in both personal and professional spheres.

Usage Context
Formal, professional, academic, and serious personal declarations.

我们确信未来会更加美好。

确信自己做出了正确的选择。

Using 确信 correctly involves understanding its syntactic behavior, common collocations, and the types of objects it can take. As a transitive verb expressing a mental state, its primary function is to link a subject (the person who believes) with a proposition (the thing that is believed). The most standard and frequent sentence structure is: Subject + 确信 + (Clause). The clause that follows the verb acts as the object and usually contains its own subject and predicate. For instance, in the sentence '我确信他是一个好人' (I am convinced he is a good person), '我' is the subject, the verb is our target word, and '他是一个好人' is the clause acting as the object. This structure is incredibly versatile and forms the backbone of how this word is used in everyday and formal Chinese.

Basic Syntax
Subject + 确信 + Noun Clause / Verb Phrase

经理确信这个策略会增加销量。

The manager is convinced this strategy will increase sales.

One of the most important grammatical rules to remember is that this verb rarely takes a simple noun as a direct object unless that noun represents an abstract concept or a fact. You would not say '我确信苹果' (I am convinced apple). Instead, you must state a fact about the apple: '我确信这个苹果是甜的' (I am convinced this apple is sweet). However, it can take abstract nouns like 真理 (truth), 事实 (fact), or 结论 (conclusion). For example, '我们确信这一事实' (We are convinced of this fact) is grammatically sound and highly formal.

To add nuance and intensity to your sentences, you can use specific adverbial modifiers before the verb. Because the word already implies a high degree of certainty, the adverbs used with it are typically absolute or maximizing adverbs. The most common collocations include 完全 (completely), 充分 (fully), 坚决 (resolutely), and 无比 (incomparably). Saying '我完全确信' (I am completely convinced) is a very natural and emphatic way to express yourself. Conversely, using adverbs of doubt like 也许 (maybe) or 大概 (probably) before this verb sounds contradictory and unnatural to native speakers.

我完全确信他的清白。

Common Adverbs
完全 (completely), 充分 (fully), 十分 (very/fully)

In negative sentences, the negation marker 不 (bù) is placed directly before the verb: 不确信 (not convinced / not sure). This is used when the speaker lacks the firm belief required. For example, '我不确信他是否会同意' (I am not sure whether he will agree). Notice the use of 是否 (whether) in the object clause, which is very common when expressing uncertainty. However, if you want to express that you firmly believe something is NOT true, you keep the verb affirmative and negate the clause: '我确信他不会来' (I am convinced he will NOT come). This distinction is vital for accurate expression.

我们不确信这个消息的真实性。

Another advanced usage involves passive or descriptive structures where the certainty itself is the subject of discussion. Phrases like '令人确信' (convincing / making people convinced) are used as adjectives. For example, '他给出了令人确信的证据' (He provided convincing evidence). This transforms the verb into a modifier, expanding your descriptive capabilities. Furthermore, in formal writing, you might encounter the structure '有理由确信' (have reason to believe/be convinced), which is a staple in legal and academic texts.

Advanced Structures
令人确信 (convincing), 有理由确信 (have reason to be convinced)

警方有理由确信嫌疑人已经逃离该国。

她的演讲非常令人确信

By mastering these syntactic patterns—clause objects, absolute modifiers, correct negation placement, and adjectival transformations—you will be able to deploy this vocabulary word with the precision and fluency of a native speaker. It is a powerful tool for structuring arguments, expressing confidence, and navigating complex discussions in Mandarin Chinese.

The vocabulary word 确信 is pervasive across various domains of Chinese communication, though its frequency and application shift depending on the formality of the context. Because it denotes a high level of certainty and conviction, it naturally gravitates toward environments where facts, evidence, promises, and definitive statements are paramount. Understanding where you are most likely to hear or read this word will help you contextualize its tone and appropriate usage. One of the primary arenas where this word shines is in the business and corporate world. In meetings, negotiations, and strategic planning sessions, professionals use it to project confidence and reassure stakeholders.

Business Context
Used to project confidence in strategies, forecasts, and team capabilities.

董事会确信今年的利润会翻倍。

The board of directors is convinced that profits will double this year.

For instance, a CEO might say, '我们确信这款新产品将占据市场主导地位' (We are convinced this new product will dominate the market). In this setting, using a weaker word like 相信 might sound too passive or hopeful, whereas our target word demonstrates strong leadership and data-backed assurance. Similarly, in customer service or public relations, companies use it to issue guarantees: '我们确信您会对我们的服务满意' (We are sure you will be satisfied with our service). Another major domain is academic and scientific discourse. Researchers, professors, and scientists rely on this term when discussing hypotheses that have been proven or theories supported by substantial data.

In academic papers, you will frequently encounter phrases like '研究结果使我们确信...' (The research results convince us that...). It is the standard vocabulary for expressing academic consensus. The legal and judicial systems also heavily utilize this word. In courtrooms, lawyers and judges must deal with the burden of proof. A judge might state, '法庭确信证据确凿' (The court is convinced the evidence is conclusive). The phrase '有理由确信' (have reasonable grounds to believe) is a direct translation of legal jargon used globally and is a staple in Chinese legal documents.

陪审团确信他有罪。

Legal Context
Used to express judicial certainty, burden of proof, and legal conclusions.

Beyond formal and professional settings, you will also hear it in serious interpersonal conversations, particularly when discussing deep personal beliefs, relationships, or life decisions. If a friend is going through a hard time, you might offer profound encouragement by saying, '我确信你一定能度过难关' (I am convinced you will definitely get through this difficult time). Here, the word transcends mere factual certainty and enters the realm of emotional steadfastness and unwavering support. It is also common in religious or philosophical contexts to describe faith: '他确信上帝的存在' (He is convinced of the existence of God).

确信我们的友谊会天长地久。

In media and journalism, news anchors and reporters use it to report on the firm stances of political figures or governments. '政府确信该政策将刺激经济增长' (The government is convinced the policy will stimulate economic growth). In summary, whether you are reading a scientific journal, watching a legal drama, sitting in a corporate boardroom, or having a heart-to-heart conversation with a close friend, 确信 is the vocabulary of choice for expressing absolute certainty. Recognizing these contexts will not only improve your listening comprehension but also guide you in applying the word appropriately in your own speech and writing.

Media & News
Used to report official stances, government policies, and definitive statements.

专家们确信疫情即将结束。

确信自己的判断没有错。

Even for intermediate and advanced learners of Mandarin, the verb 确信 can present several pitfalls. Because it translates to 'convinced' or 'sure', learners often confuse it with other Chinese words that share similar English translations but have distinct grammatical rules and pragmatic uses. The most frequent and glaring mistake is confusing it with 确定 (quèdìng). While both share the character '确' (firm/certain), their functions are different. 确定 is often used as an adjective meaning 'certain' or a verb meaning 'to determine/to confirm'. Learners often incorrectly say '我不确信' when they mean '我不确定' (I am not sure / I haven't decided). If someone asks you what time the movie starts, and you don't know, you must say '我不确定' (I am not certain). Saying '我不确信' sounds overly dramatic, as if you lack the deep conviction to believe the movie's start time.

Mistake 1: Confusing with 确定
Use 确定 for factual confirmation or deciding. Use 确信 for deep mental conviction.

❌ 错误: 我不确信明天几点开会。
✅ 正确: 我不确定明天几点开会。

Incorrectly using the word for a simple scheduling uncertainty.

Another common error is treating it exactly like 相信 (xiāngxìn) in all contexts. While they are synonyms, 相信 is much broader. You can '相信' a person (trust them), but you generally do not '确信' a person directly without a clause. For example, '我相信你' (I believe you / I trust you) is perfectly natural. However, '我确信你' is grammatically incomplete and sounds awkward to native ears. You must add what you are convinced about regarding that person: '我确信你能成功' (I am convinced you can succeed). The verb requires a proposition, a fact, or a clause as its object, not just a simple human noun.

Learners also struggle with the placement of negation. When translating 'I am convinced that he will not come', English speakers sometimes mistakenly negate the main verb instead of the subordinate clause, resulting in '我不确信他会来' (I am not convinced he will come). While grammatically correct, it changes the meaning. '我不确信' means you are in a state of doubt. If you are absolutely certain of a negative outcome, you must say '我确信他不会来' (I am convinced he will not come). The distinction between lacking conviction and having conviction about a negative event is crucial for accurate communication.

❌ 错误 (Meaning mismatch): 我不确信他是个坏人。 (Means: I doubt he is bad)
✅ 正确 (Intended meaning): 我确信他不是个坏人。 (Means: I am convinced he is NOT bad)

Mistake 2: Negation Placement
Negating the main verb implies doubt. Negating the clause implies certainty of a negative.

A fourth mistake involves using inappropriate adverbs. Because the word inherently means a *firm* belief, using weak adverbs of probability creates a semantic clash. Phrases like '有一点确信' (a little bit convinced) or '可能确信' (probably convinced) sound highly unnatural in Chinese. If you are only slightly sure, you should use words like 觉得 (feel/think) or 倾向于相信 (inclined to believe). Our target word demands absolute modifiers like 完全 (completely), 绝对 (absolutely), or 充分 (fully).

Finally, learners sometimes overuse it in casual conversation. Saying '我确信这道菜很好吃' (I am convinced this dish is delicious) before eating it sounds overly formal and stiff, like a scientific declaration. In casual contexts, simply saying '我觉得这道菜肯定好吃' (I think this dish must be delicious) is much more natural. Reserve the target word for situations that warrant its gravity, such as professional guarantees, academic conclusions, or serious emotional declarations. By avoiding these common pitfalls—confusing it with 确定, using simple nouns as objects, misplacing negation, using weak adverbs, and overusing it in casual speech—you will significantly improve the naturalness and accuracy of your Mandarin.

Mistake 3: Over-formality
Using it for trivial daily matters makes you sound like a robot or a politician.

❌ 错误 (Too formal): 我确信今天会下雨。
✅ 正确 (Natural): 我肯定今天会下雨。

❌ 错误: 我非常确信他。
✅ 正确: 我非常确信他的能力。

❌ 错误: 我大概确信这个计划。
✅ 正确: 我完全确信这个计划能成功。

To build a robust and nuanced Chinese vocabulary, it is essential to understand not just a word in isolation, but how it relates to its synonyms and near-synonyms. The semantic field surrounding 确信 is rich with words expressing belief, certainty, and trust. Navigating this landscape allows learners to choose the exact word that fits the tone, formality, and specific meaning of their sentence. The most immediate and common synonym is 相信 (xiāngxìn). 相信 is the generic, everyday word for 'to believe' or 'to trust'. It is highly versatile and can take both nouns (people, things) and clauses as objects. While 相信 simply indicates a state of belief, our target word indicates a *firm*, unshakeable belief. You can think of 相信 as the base level, and our target word as the intensified, upgraded version.

相信 (xiāngxìn)
To believe / trust. General use, less intense, can take human objects.

相信你,但我还不够确信你的计划。

I believe you, but I am not yet convinced of your plan.

Another closely related word is 坚信 (jiānxìn). 坚信 translates to 'to firmly believe' and is extremely similar to our target word. The character '坚' means 'firm' or 'resolute'. The difference between the two is subtle and mostly stylistic. 坚信 often carries a stronger emotional or ideological weight. People 坚信 their religious faith, their core principles, or their ultimate victory. It is highly rhetorical and often used in motivational speeches or declarations of loyalty. Our target word, while also meaning firm belief, leans slightly more toward a belief based on evidence, logic, or objective assessment. It is more cognitive, whereas 坚信 is more emotional and resolute.

We must also discuss 确定 (quèdìng). As mentioned in the Common Mistakes section, 确定 means 'certain', 'to make sure', or 'to determine'. It focuses on the objective reality of a fact or the act of confirming something. For example, '确定时间' means to determine the time. '我不确定' means I am not certain of the fact. Our target word focuses on the *subjective mental state* of the speaker regarding a fact. You use 确定 when dealing with schedules, facts, and confirmations. You use our target word when expressing your internal conviction about a proposition.

我已经确定了会议时间,并且我确信大家都会来。

确定 (quèdìng)
To determine / be certain of a fact. Focuses on objective confirmation.

Another interesting near-synonym is 认定 (rèndìng). 认定 means 'to firmly believe' or 'to maintain (that something is true)'. It often implies a stubbornness or a definitive judgment made by the speaker, sometimes despite evidence to the contrary. If someone '认定' a person is a thief, they have made up their mind and will not be easily swayed. It has a slightly more subjective and sometimes negative connotation of being obstinate, whereas our target word is generally neutral or positive, implying a rational conclusion.

Finally, there is 信任 (xìnrèn), which means 'to trust'. This word is strictly used for interpersonal relationships or trusting organizations/systems. You 信任 a friend, a doctor, or a government. You cannot 信任 a fact or a clause. This distinguishes it sharply from our target word, which is used precisely for facts, clauses, and propositions. By understanding the subtle boundaries between 相信 (general belief), 坚信 (emotional/ideological belief), 确定 (factual confirmation), 认定 (stubborn judgment), 信任 (interpersonal trust), and 确信 (evidence-based conviction), you elevate your Chinese from mere translation to true fluency, capable of expressing the finest shades of human thought and certainty.

信任 (xìnrèn)
To trust. Used exclusively for people, entities, or systems.

因为我信任他,所以我确信他没有撒谎。

坚信正义终将战胜邪恶。

警察认定他就是凶手。

How Formal Is It?

Difficulty Rating

Grammar to Know

Noun Clauses as Objects (宾语从句)

Adverbial Modifiers of Degree (程度副词)

Double Negation for Emphasis (双重否定表肯定)

Passive Voice / Adjectival Use (令人...的结构)

Conjunctions of Concession (尽管...依然...)

Examples by Level

1

我觉得他是一个好人。

I think he is a good person. (Uses 觉得 instead of 确信)

A1 uses 觉得 (to think/feel) for opinions.

2

我相信你。

I believe you. (Uses 相信 instead of 确信)

A1 uses 相信 for basic belief/trust.

3

明天肯定会下雨。

It will definitely rain tomorrow. (Uses 肯定 instead of 确信)

A1 uses adverbs like 肯定 for certainty.

4

我知道他叫什么名字。

I know what his name is.

Basic fact stating with 知道.

5

我不相信这个故事。

I don't believe this story.

Negative belief with 不相信.

6

你觉得这个好吃吗?

Do you think this is tasty?

Asking for opinions with 觉得.

7

他一定在家。

He must be at home.

Using 一定 for strong probability.

8

我不知道。

I don't know.

Expressing lack of knowledge.

1

我非常相信他说的话。

I really believe what he says.

Using 非常 to intensify 相信.

2

你确定明天放假吗?

Are you sure we have a holiday tomorrow?

Using 确定 to ask for confirmation.

3

我不确定他会不会来。

I am not sure if he will come.

Using 不确定 for uncertainty.

4

这确实是一个好主意。

This is indeed a good idea.

Using 确实 (indeed) to show agreement.

5

我觉得他肯定忘了。

I think he definitely forgot.

Combining 觉得 and 肯定.

6

我相信我们能赢。

I believe we can win.

Using 相信 with a simple clause.

7

你能确定时间吗?

Can you confirm the time?

Using 确定 as a verb to confirm.

8

我真的不知道该怎么办。

I really don't know what to do.

Expressing strong uncertainty.

1

我确信他明天一定会来参加会议。

I am convinced he will definitely come to the meeting tomorrow.

Standard B1 usage: Subject + 确信 + Clause.

2

我们完全确信这个计划能够成功。

We are completely convinced that this plan can succeed.

Using the absolute modifier 完全.

3

虽然有困难,但我确信我们可以解决。

Although there are difficulties, I am convinced we can solve them.

Using 确信 in a complex sentence with 虽然/但.

4

我不确信这个消息是不是真的。

I am not convinced whether this news is true or not.

Negative form 不确信 with a question clause.

5

他确信自己没有做错任何事。

He is convinced that he didn't do anything wrong.

Using 自己 as the subject of the object clause.

6

你为什么如此确信他会帮你?

Why are you so convinced he will help you?

Using 如此 (so) to modify the verb.

7

专家确信这种药没有副作用。

Experts are convinced this medicine has no side effects.

Using 确信 in a professional context.

8

我确信我已经锁门了。

I am sure that I locked the door.

Using 确信 for a firm memory/fact.

1

警方有充分的理由确信嫌疑人已经逃往国外。

The police have ample reason to be convinced the suspect has fled abroad.

Formal structure: 有充分的理由确信.

2

他给出的证据非常令人确信。

The evidence he provided is very convincing.

Using 令人确信 as an adjective (convincing).

3

基于这些数据,我们确信市场需求正在增长。

Based on these data, we are convinced market demand is growing.

Using 基于 (based on) to introduce the reason for conviction.

4

我深切地确信,教育是改变命运的唯一途径。

I am deeply convinced that education is the only way to change one's destiny.

Using 深切地 (deeply) for strong emotional conviction.

5

董事会确信,新的管理层将带领公司走出困境。

The board is convinced the new management will lead the company out of trouble.

Business context usage.

6

尽管遭到反对,他依然确信自己的理论是正确的。

Despite opposition, he remains convinced his theory is correct.

Using 依然 (still/remains) with 确信.

7

我们不能仅仅凭直觉就确信一件事。

We cannot be convinced of something based solely on intuition.

Using 凭 (rely on) to discuss the basis of conviction.

8

她确信,只要坚持下去,总有一天会看到希望。

She is convinced that as long as she persists, she will see hope one day.

Using 只要...就 in the object clause.

1

科学界普遍确信,气候变化主要是由人类活动引起的。

The scientific community is generally convinced that climate change is primarily caused by human activities.

Using 普遍确信 (generally convinced) for consensus.

2

该判决表明,法庭确信检方已经履行了举证责任。

The verdict indicates that the court is convinced the prosecution has met the burden of proof.

Legal context, high formality.

3

我并非不确信他的诚意,而是对整个项目的可行性存疑。

It's not that I'm unconvinced of his sincerity, but rather I have doubts about the feasibility of the entire project.

Using double negative 并非不 for nuanced expression.

4

历史的经验使我们确信,任何违背客观规律的行为都将付出代价。

Historical experience convinces us that any action violating objective laws will pay a price.

Using 使我们确信 (makes us convinced/convinces us).

5

作者在书中试图提出一套令人确信的哲学体系。

In the book, the author attempts to propose a convincing philosophical system.

Using 令人确信 to modify an abstract noun (体系).

6

面对如此确凿的证据,我们不得不确信事实的真相。

Faced with such conclusive evidence, we have no choice but to be convinced of the truth of the facts.

Using 不得不 (have no choice but to) with 确信.

7

他以一种毋庸置疑的口吻表达了自己确信的立场。

He expressed his convinced stance in an unquestionable tone.

Using 确信 as a modifier for 立场 (stance).

8

这种毫无根据的猜测,很难让人确信其真实性。

This baseless speculation makes it hard to convince people of its authenticity.

Using 让人确信 (make people convinced).

1

在经历了无数次的失败与反思后,他终于确信了自己内心的真正渴求。

After experiencing countless failures and reflections, he finally became convinced of his heart's true desire.

Using 确信 with an abstract noun phrase as the object.

2

那种深入骨髓的信仰,让他确信即使在最黑暗的时刻,光明也未曾远去。

That belief, deep in his bones, convinced him that even in the darkest moments, the light had never left.

Literary and highly evocative use of the word.

3

哲学家们终其一生都在寻找能够让人绝对确信的先验真理。

Philosophers spend their entire lives searching for a priori truths that can make people absolutely convinced.

Philosophical context, discussing absolute certainty.

4

文章的论证逻辑严密,环环相扣,其得出的结论具有一种强制性的、令人确信的力量。

The article's argumentative logic is rigorous and interlocking; the conclusion drawn possesses a coercive, convincing power.

Using 令人确信的 as an adjective modifying 力量 (power).

5

我们之所以确信文明的进步,是因为我们看到了人性中不可磨灭的向善之光。

The reason we are convinced of the progress of civilization is that we see the indelible light of goodness in human nature.

Using 之所以...是因为 structure with 确信.

6

在这个充满不确定性的时代,能够确信某种价值显得尤为珍贵。

In this era full of uncertainty, being able to be convinced of a certain value appears especially precious.

Contrasting 不确定性 (uncertainty) with 确信.

7

他的演讲不仅是在传递信息,更是在重塑听众的认知,使他们确信一种全新的范式。

His speech was not just conveying information, but reshaping the audience's cognition, convincing them of an entirely new paradigm.

Using 确信 with a complex abstract concept (范式 paradigm).

8

法律的威严在于其程序的正当性,这正是公众确信司法公正的基石。

The majesty of the law lies in the due process of its procedures, which is precisely the cornerstone for the public to be convinced of judicial fairness.

Highly formal, institutional context.

Common Collocations

完全确信
充分确信
令人确信
有理由确信
深切确信
确信无疑
无法确信
坚定地确信
普遍确信
确信不疑

Often Confused With

确信 vs 确定 (to determine/certain)

确信 vs 相信 (to believe)

确信 vs 坚信 (to firmly believe emotionally)

Idioms & Expressions

"深信不疑"
"确凿无疑"
"千真万确"
"毋庸置疑"
"铁证如山"
"言之凿凿"
"不容置疑"
"信誓旦旦"
"斩钉截铁"
"深信无疑"

Easily Confused

确信 vs

确信 vs

确信 vs

确信 vs

确信 vs

Sentence Patterns

How to Use It

nuance

It implies a cognitive process has occurred (evaluating evidence/feelings) leading to the certainty, unlike a blind guess.

formality

It leans formal but is perfectly acceptable in serious daily conversations.

Common Mistakes
  • Confusing 确信 (mental conviction) with 确定 (factual confirmation).
  • Using a simple person noun as an object (e.g., 我确信他) instead of a clause.
  • Placing the negation incorrectly when trying to express certainty of a negative outcome.
  • Using weak adverbs of probability (like 也许, 大概) with 确信.
  • Overusing the word in casual, trivial situations where 觉得 or 肯定 would be more natural.

Tips

Clause Objects

Always remember that 确信 prefers a full clause (a mini-sentence) as its object. Think of it as 'convinced THAT...'. Don't just follow it with a simple noun unless it's an abstract concept like 'truth' or 'ability'.

Adverb Pairing

Boost your fluency by always pairing 确信 with strong adverbs. '完全确信' (completely convinced) sounds much more native than just '确信' on its own in many contexts.

Tone Matching

When speaking, match your tone to the word. Since both characters are 4th tone (falling), say them firmly. A weak or questioning tone contradicts the meaning of absolute certainty.

Essay Power Word

Use this word in your Chinese essays to state your thesis. '本文确信...' (This essay is convinced that...) is a strong, academic way to present your core argument.

Evidence vs. Emotion

Remember the subtle difference: use 确信 when you have reasons, data, or logic. Use 坚信 when you are relying on faith, morals, or deep emotional resolve.

Not for Schedules

Never use 确信 when talking about confirming times, dates, or simple facts. That is the job of 确定. Save 确信 for mental convictions.

Listen for the Clause

In listening exams (like HSK), when you hear 确信, immediately focus on the words that follow it. The clause after 确信 contains the core information the speaker wants to convey.

Convincing Evidence

Memorize the phrase '令人确信的证据' (convincing evidence). It is a highly frequent collocation in news, law, and academic texts.

Doubt vs. Negative Certainty

Master the negation: '我不确信' = I have doubts. '我确信不' = I am certain it won't happen. This distinction is crucial for clear communication.

Identifying Author's Stance

When reading opinion pieces, scan for 确信. It acts as a signpost indicating the author's strongest, most unshakeable viewpoints.

Memorize It

Mnemonic

Imagine a ROCK (确 - solid/firm) falling on a LETTER (信 - message/belief). The belief is solid as a rock. You are CONVINCED.

Word Origin

The compound combines 'firm/solid' with 'believe', literally creating 'firm belief'. It has been used in modern Chinese to translate Western concepts of absolute certainty and conviction.

Cultural Context

Avoid using it to stubbornly insist on something without evidence, as it can make you appear arrogant.

High. Suitable for business, academia, and law.

Neutral, but implies strong authority.

Practice in Real Life

Real-World Contexts

Conversation Starters

"你确信未来的科技会完全改变我们的生活吗? (Are you convinced future tech will completely change our lives?)"

"在没有证据的情况下,你如何确信一件事? (How can you be convinced of something without evidence?)"

"你确信你的职业选择是正确的吗? (Are you convinced your career choice is correct?)"

"有什么事情是你从小就深切确信的? (What is something you have been deeply convinced of since childhood?)"

"你觉得怎样才能让人确信你的观点? (How do you think you can make people convinced of your viewpoint?)"

Journal Prompts

描述一次你确信自己是对的,但别人都不相信你的经历。(Describe a time you were convinced you were right, but no one believed you.)

写下三件你对未来完全确信的事情。(Write down three things you are completely convinced of regarding the future.)

你认为'确信'和'固执'之间的界限在哪里?(Where do you think the line is between 'being convinced' and 'being stubborn'?)

写一封信给未来的自己,告诉他你现在确信的价值观。(Write a letter to your future self, telling them the values you are currently convinced of.)

分析一个令人确信的广告或演讲,它为什么能打动你?(Analyze a convincing ad or speech; why did it move you?)

Frequently Asked Questions

10 questions

No, this is a common grammatical error. 确信 requires a proposition or a fact as its object. You cannot be convinced 'a person'. You must be convinced *of something* about the person. For example, you should say '我确信他是一个好人' (I am convinced he is a good person) or '我确信他的能力' (I am convinced of his ability). If you just want to say 'I trust him', use 相信 (xiāngxìn) or 信任 (xìnrèn).

确定 (quèdìng) means 'to determine', 'to make sure', or 'certain' in a factual sense. You use it for schedules, facts, and confirmations (e.g., '确定时间' - determine the time). 确信 (quèxìn) is a mental state verb meaning 'to be convinced' or 'to firmly believe'. You use it to express your internal, unwavering belief in a proposition. If you don't know the time of a meeting, say '我不确定' (I am not certain). Do not say '我不确信'.

确信 leans toward the formal side, but it is not exclusively restricted to formal writing. It is highly appropriate for business, academic, and legal contexts. However, you can also use it in serious personal conversations when you want to express deep conviction, such as '我确信我们会永远是朋友' (I am convinced we will always be friends). Avoid using it for trivial, everyday matters like 'I am convinced this pizza is good', as it sounds unnatural.

To express that you lack conviction or are unsure, place 不 (bù) before the verb: 不确信 (not convinced). For example, '我不确信他是否会来' (I am not convinced whether he will come). If you want to express that you are firmly convinced of a negative outcome, keep the verb affirmative and negate the clause: '我确信他不会来' (I am convinced he will NOT come).

Because 确信 already implies a strong, absolute state of belief, you should pair it with absolute or maximizing adverbs. The most common are 完全 (completely), 充分 (fully), 绝对 (absolutely), and 十分 (very/fully). For example, '我完全确信' (I am completely convinced). Do not use weak adverbs of probability like 也许 (maybe) or 大概 (probably), as they contradict the meaning of the verb.

Yes, it can be transformed into an adjectival phrase using the structure 令人确信的 (convincing / making people convinced). For example, '他提供了令人确信的证据' (He provided convincing evidence). This is a very common and sophisticated way to use the word in formal writing and debates.

Both mean 'to firmly believe', but their nuances differ slightly. 坚信 (jiānxìn) often carries a stronger emotional, ideological, or moral weight. You 坚信 your religion, your principles, or ultimate justice. 确信 (quèxìn) is slightly more cognitive and rational, often based on evidence, logic, or data. You 确信 a scientific theory or a business strategy.

Yes, in a conversational context where the topic is already understood, you can simply say '我确信' (I am convinced) to agree strongly with a statement or to answer a question. For example, if someone asks '你认为这个计划会成功吗?' (Do you think this plan will succeed?), you can reply '我确信。' (I am convinced [it will]).

Yes, the concept of firm belief is common in Chinese idioms. While 确信 itself is a modern two-character word, it is closely related to idioms like 深信不疑 (to believe firmly without doubt) or 确凿无疑 (conclusive and beyond doubt). You can use these idioms to add literary flair to your writing when expressing the same concept.

It is pronounced 'què xìn'. Both characters are in the fourth tone (falling tone). You should pronounce it with a firm, decisive downward inflection on both syllables, which perfectly matches its meaning of absolute certainty. The pinyin is q-u-e (falling) x-i-n (falling).

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