píng: 凭 - To Rely On, Based On, According to, Evidence

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• Summary: 凭 (píng) is a versatile and essential Chinese preposition and verb primarily meaning “to rely on,” “based on,” or “by virtue of.” It is used to introduce the evidence, justification, or authority for a particular action or claim. From showing a ticket to enter a movie to asking the defiant question “On what basis?” (凭什么), understanding 凭 is key to expressing justification and challenging others in authentic Mandarin Chinese. This page will break down its core meaning, usage, and cultural nuances.

• Pinyin (with tone marks): píng
• Part of Speech: Preposition, Verb
• HSK Level: HSK 4
• Concise Definition: To rely on, to depend on; based on, according to; evidence or proof.
• In a Nutshell: Think of 凭 (píng) as the word that answers the question “How do you justify that?” or “What gives you the right?”. It's the bridge connecting a basis (like a ticket, a skill, or a fact) to an action or a conclusion. If you can do something 凭 a ticket, it means the ticket is your proof or qualification. If you challenge someone with 凭什么 (píng shénme), you are demanding to know their basis or right.

• 凭 (píng): This character is a phono-semantic compound. Visually, it can be interpreted for easy memory: imagine a person (the top part, derived from 任 rèn) leaning against a small table or stool (几 jī). This image perfectly captures the core concept of “leaning on” or “relying on something” for support or justification.

In Chinese culture, actions and claims often require a clear basis or justification (理由, lǐyóu). The word 凭 (píng) is the linguistic tool for presenting this basis. It reflects a cultural emphasis on legitimacy and reasonableness. You don't just do things; you do them “based on” (凭) something concrete or principled. A powerful comparison is to the Western legal concept of “grounds” or “standing.” When a lawyer asks, “What are your grounds for this lawsuit?”, they are asking for the legal basis. Similarly, when a Chinese person asks, 你凭什么这么说? (Nǐ píng shénme zhème shuō?), they are demanding, “What are your grounds for saying that?” or “By what right do you say that?”. Furthermore, the basis doesn't have to be physical. The common phrase 凭良心 (píng liángxīn), meaning “to act according to one's conscience,” shows that the foundation for one's actions can be a deeply held moral principle. This elevates 凭 from a simple preposition to a word that touches on personal integrity and ethical justification.

凭 is incredibly common in daily life. Its usage generally falls into two main categories.

This is the most frequent use. The structure is typically: `凭 + Noun (The Basis) + Verb Phrase (The Action)`

• Tangible Objects: Used with tickets, IDs, receipts, etc.
  • `凭票入场 (píng piào rùchǎng)` - Enter based on a ticket.
  • `凭学生证打折 (píng xuéshēngzhèng dǎzhé)` - Get a discount by virtue of a student ID.
• Intangible Concepts: Used with skills, effort, feelings, etc.
  • `凭本事吃饭 (píng běnshi chīfàn)` - To make a living based on one's own abilities.
  • `他凭自己的努力成功了 (tā píng zìjǐ de nǔlì chénggōng le)` - He succeeded through his own hard work.

凭什么 (píng shénme) is a powerful and frequently used phrase. While it literally means “based on what?”, its tone is almost always one of indignation, defiance, or challenge. It's equivalent to the English “Why should I/you?!”, “By what right?!”, or “Who says?!”.

• `你迟到了，还想先进去？凭什么？` (Nǐ chídào le, hái xiǎng xiān jìnqù? Píng shénme?) - You're late, and you still want to go in first? On what grounds?
• `凭什么他可以，我不可以？` (Píng shénme tā kěyǐ, wǒ bù kěyǐ?) - Why can he do it, but I can't?

• Example 1:
  • 观众请凭票入场。
  • Pinyin: Guānzhòng qǐng píng piào rùchǎng.
  • English: Audience members, please enter based on your tickets.
  • Analysis: A classic, formal announcement. 凭 introduces the ticket (票) as the required basis for the action (入场).
• Example 2:
  • 在我们店，顾客可以凭收据在七天内退货。
  • Pinyin: Zài wǒmen diàn, gùkè kěyǐ píng shōujù zài qī tiān nèi tuìhuò.
  • English: In our store, customers can return items within seven days with a receipt.
  • Analysis: This shows a common commercial use. The receipt (收据) is the official proof or credential needed for the action.
• Example 3:
  • 你凭什么认为我做不到？
  • Pinyin: Nǐ píng shénme rènwéi wǒ zuòbudào?
  • English: What makes you think I can't do it? (Literally: Based on what do you think I can't do it?)
  • Analysis: This is the classic challenging tone of 凭什么. The speaker is demanding the other person's justification for their negative opinion.
• Example 4:
  • 他是凭自己的真本事当上经理的，不是靠关系。
  • Pinyin: Tā shì píng zìjǐ de zhēn běnshi dāngshàng jīnglǐ de, búshì kào guānxì.
  • English: He became the manager based on his own real abilities, not by relying on connections.
  • Analysis: Here, 凭 highlights that the basis for his success was a legitimate one (real skills, 真本事) and contrasts it with an alternative (relying on 关系).
• Example 5:
  • 做生意要讲诚信，不能只凭感觉来。
  • Pinyin: Zuò shēngyì yào jiǎng chéngxìn, bùnéng zhǐ píng gǎnjué lái.
  • English: In business, you have to have integrity; you can't just operate based on feelings.
  • Analysis: This example shows that the basis introduced by 凭 can be seen as insufficient or inappropriate. The sentence argues against using “feelings” as the sole basis.
• Example 6:
  • 法官必须凭证据和法律来判案。
  • Pinyin: Fǎguān bìxū píng zhèngjù hé fǎlǜ lái pàn'àn.
  • English: A judge must decide cases based on evidence and the law.
  • Analysis: This demonstrates a formal, legal context where the basis for a decision must be objective and legitimate.
• Example 7:
  • 空口无凭，你必须拿出书面证明。
  • Pinyin: Kōng kǒu wú píng, nǐ bìxū názhū shūmiàn zhèngmíng.
  • English: Verbal promises are no proof; you have to produce written evidence.
  • Analysis: This is a very common idiom (成语, chéngyǔ). 空口无凭 literally means “empty mouth has no proof.” It perfectly encapsulates the core meaning of 凭 as evidence.
• Example 8:
  • 我凭良心说，这件事真的不是他的错。
  • Pinyin: Wǒ píng liángxīn shuō, zhè jiàn shì zhēn de búshì tā de cuò.
  • English: I can say in all good conscience, this matter really wasn't his fault.
  • Analysis: This shows 凭 used with an abstract moral concept. The speaker's conscience (良心) is the basis for their statement's credibility.
• Example 9:
  • 就凭你这点儿工资，还想在上海买房子？
  • Pinyin: Jiù píng nǐ zhè diǎnr gōngzī, hái xiǎng zài Shànghǎi mǎi fángzi?
  • English: You think you can buy a house in Shanghai on just that little salary of yours?
  • Analysis: The phrase 就凭 (jiù píng) often carries a dismissive or challenging tone. It implies that the basis being presented is clearly insufficient for the goal.
• Example 10:
  • 只要凭着一股不服输的劲儿，你就一定能成功。
  • Pinyin: Zhǐyào píng zhe yī gǔ bù fúshū de jìnr, nǐ jiù yīdìng néng chénggōng.
  • English: As long as you rely on that spirit of refusing to admit defeat, you will surely succeed.
  • Analysis: The addition of 着 (zhe) after 凭 emphasizes a continuous state of reliance. The “basis” here is an abstract spirit or attitude.

• 凭 (píng) vs. 根据 (gēnjù): This is a critical distinction for learners.
  • 根据 (gēnjù) means “according to” and refers to a source of information. It's objective and neutral. You use it for facts, reports, rules, or information you've heard.
    • Correct: `根据天气预报，明天会下雨。` (According to the weather forecast, it will rain tomorrow.)
    • Incorrect: `凭天气预报，明天会下雨。`
  • 凭 (píng) means “relying on” or “by virtue of” and often implies a more direct, tangible basis for an action, or a more subjective justification. It's the “key” that unlocks an action.
    • Correct: `我凭感觉他不是个好人。` (I feel, based on my intuition, that he's not a good person.)
    • Incorrect: `我根据感觉他不是个好人。`
  • Rule of Thumb: If you can replace it with “according to the source,” use 根据. If you can replace it with “by using this as my proof/right/tool,” use 凭.
• Common Mistake: Using 凭 for “because of”
  • English speakers often confuse 凭 with a general “because.” 凭 requires a basis for a claim or an action, not just a reason for a situation.
    • Incorrect: `凭我生病了，所以我没来上课。`
    • Correct: `因为我生病了，所以我没来上课。` (Yīnwèi wǒ shēngbìng le, suǒyǐ wǒ méi lái shàngkè.) - “Because I was sick, I didn't come to class.” Sickness is the reason, not the “proof” or “credential” used to perform the action of not coming to class.

• `根据 (gēnjù)` - “According to.” A more objective and formal term used for sources of information like reports, laws, and data.
• `依靠 (yīkào)` - To rely on, to depend on. This implies a need for support, often emotional or financial, rather than justification for an action.
• `证据 (zhèngjù)` - Evidence, proof. This is the concrete noun that often serves as the object of 凭. You act 凭证据.
• `凭证 (píngzhèng)` - Credential, certificate, voucher. A formal word for a document that serves as proof, like a receipt or diploma.
• `资格 (zīgé)` - Qualification, eligibility. You often get a job 凭 your qualifications.
• `理由 (lǐyóu)` - Reason, justification. A more general term for why something is done. 凭 often introduces the specific 理由.
• `凭空 (píngkōng)` - Out of thin air, without any basis. This adverb is the direct conceptual opposite of acting with a basis. `他凭空捏造了这个故事` (He fabricated this story out of thin air).
• `凭仗 (píngzhàng)` - To rely on, to count on (often something powerful, like an army or a connection). It carries a stronger sense of relying on a backing force.