jǐngjiè: 警戒 - To be on guard, vigilant, to warn

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• Summary: Learn the meaning and usage of the Chinese word 警戒 (jǐngjiè). This term signifies a state of high alert, vigilance, or being on guard, often in formal or serious contexts like military operations, public safety warnings, or security. Unlike the casual “be careful” (小心), 警戒 implies a specific, known threat and a prepared, watchful state. This page breaks down its characters, cultural context, and practical examples to help you master this important HSK 6 vocabulary word.

• Pinyin (with tone marks): jǐngjiè
• Part of Speech: Verb, Noun
• HSK Level: HSK 6
• Concise Definition: To be vigilant and on guard against potential danger; a state of alert.
• In a Nutshell: Think of 警戒 as “on guard” or “high alert.” It's not the casual advice you give a friend crossing the street. Instead, it carries a sense of seriousness and formality. It describes a state of active watchfulness against a specific threat, like soldiers at a border, a security detail at an event, or an official warning about an impending natural disaster.

• 警 (jǐng): This character means “to warn” or “alert.” The left side, 言 (yán), means “speech,” and the right side, 敬 (jìng), implies respect and caution. Together, they create the idea of a formal, cautionary warning. You see this character in the word for police, 警察 (jǐngchá).
• 戒 (jiè): This character means “to guard against,” “to forbid,” or a “precept.” The ancient form depicts a halberd (a weapon) being held, symbolizing defense and prohibition. It implies a boundary or a rule you shouldn't cross.
• When combined, 警戒 (jǐngjiè) literally means “to warn and guard against.” This fusion creates a powerful word that describes both the awareness of a threat (警) and the active state of readiness to defend against it (戒).

In Chinese culture, maintaining order and safety is a high priority, often managed through clear, top-down communication. The term 警戒 fits perfectly within this framework. It is the language of authority—the government, the police, the military—used to inform the public of a tangible risk and the need for heightened caution. A good comparison in Western culture would be the difference between saying “Be careful!” and seeing a sign that says “AUTHORIZED PERSONNEL ONLY” or “SECURITY ALERT: LEVEL ORANGE.” The first is informal and general. The second is official, implies a specific authority, and commands a different level of seriousness. Using 警戒 in Chinese carries that official, serious weight. It reflects a social structure where public safety announcements are delivered with gravity and are expected to be heeded without question.

警戒 is primarily used in formal or serious situations. You will encounter it most often in writing, news broadcasts, and on official signs.

• Public Safety and Official Warnings: It is commonly seen on warning signs. For example, a sign near a high-voltage power line or a dangerous cliff will use 警戒. Government agencies will use it in announcements about typhoons, floods, or public health crises.
• Military and Security: This is a core term in military and security contexts. It describes the state of troops, police officers, or security guards who are actively on duty and watching for threats.
• Figurative and Formal Language: In business, finance, or politics, 警戒 can be used figuratively to mean being vigilant against risks like market instability, a competitor's actions, or political threats. It elevates the tone to one of serious concern.

The connotation is almost always serious and neutral. It is not used in lighthearted, everyday conversation.

• Example 1:
  • 军队已进入高度警戒状态。
  • Pinyin: Jūnduì yǐ jìnrù gāodù jǐngjiè zhuàngtài.
  • English: The army has entered a state of high alert.
  • Analysis: This is a classic example of 警戒 used as a noun to describe a formal state of readiness. “高度” (gāodù) means “high degree.”
• Example 2:
  • 牌子上写着：“高压危险，保持警戒！”
  • Pinyin: Páizi shàng xiězhe: “Gāoyā wēixiǎn, bǎochí jǐngjiè!”
  • English: The sign says: “High voltage danger, stay vigilant!”
  • Analysis: Here, 警戒 is used in a direct command on a warning sign. “保持” (bǎochí) means “to maintain” or “to keep.”
• Example 3:
  • 警察在银行周围拉起了警戒线。
  • Pinyin: Jǐngchá zài yínháng zhōuwéi lā qǐle jǐngjiè xiàn.
  • English: The police put up a cordon (lit. “alert line”) around the bank.
  • Analysis: This example shows a common compound noun, 警戒线 (jǐngjièxiàn), meaning “police line” or “cordon.”
• Example 4:
  • 我们必须对竞争对手的新动向保持警戒。
  • Pinyin: Wǒmen bìxū duì jìngzhēng duìshǒu de xīn dòngxiàng bǎochí jǐngjiè.
  • English: We must remain vigilant regarding our competitor's new moves.
  • Analysis: This is a figurative use in a business context. The tone is serious and strategic.
• Example 5:
  • 他对陌生人总是抱着一种警戒心。
  • Pinyin: Tā duì mòshēng rén zǒng shì bàozhe yī zhǒng jǐngjiè xīn.
  • English: He always harbors a sense of wariness towards strangers.
  • Analysis: 警戒心 (jǐngjièxīn), “vigilant heart/mind,” refers to a personal, innate sense of wariness or distrust. It's more about a psychological state.
• Example 6:
  • 边防战士们日夜在边境线上警戒。
  • Pinyin: Biānfáng zhànshìmen rìyè zài biānjìng xiàn shàng jǐngjiè.
  • English: The border guards are on watch at the border line day and night.
  • Analysis: Here, 警戒 is a verb describing the action of the soldiers.
• Example 7:
  • 政府警戒市民，台风即将来临。
  • Pinyin: Zhèngfǔ jǐngjiè shìmín, táifēng jíjiāng láilín.
  • English: The government warned the citizens that a typhoon was imminent.
  • Analysis: In this sentence, 警戒 is used as a verb meaning “to warn.” This is more formal than the more common verb 警告 (jǐnggào).
• Example 8:
  • 由于森林火灾的风险，整个地区都处于警戒之中。
  • Pinyin: Yóuyú sēnlín huǒzāi de fēngxiǎn, zhěnggè dìqū dōu chǔyú jǐngjiè zhī zhōng.
  • English: Due to the risk of forest fires, the entire region is on alert.
  • Analysis: “处于…之中” (chǔyú…zhī zhōng) is a formal way to say “to be in a state of.”
• Example 9:
  • 保安人员需要时刻保持警戒。
  • Pinyin: Bǎo'ān rényuán xūyào shíkè bǎochí jǐngjiè.
  • English: Security personnel need to maintain vigilance at all times.
  • Analysis: A straightforward example highlighting the required state for a security professional. “时刻” (shíkè) means “constantly” or “at all times.”
• Example 10:
  • 听到奇怪的声音后，他立刻警戒起来。
  • Pinyin: Tīngdào qíguài de shēngyīn hòu, tā lìkè jǐngjiè qǐlái.
  • English: After hearing a strange sound, he immediately became alert.
  • Analysis: The directional complement “起来” (qǐlái) indicates the beginning of the state of being on guard.

The most common mistake for learners is confusing 警戒 with the everyday word 小心 (xiǎoxīn).

• 警戒 (jǐngjiè) vs. 小心 (xiǎoxīn):
  • 小心 (xiǎoxīn) means “be careful.” It's informal and used for general, everyday situations. You tell a child “小心” when they are holding a hot bowl, or a friend “小心” when they cross a busy street.
  • 警戒 (jǐngjiè) means “be on guard / be vigilant.” It's formal and used for specific, serious threats.
  • Incorrect: `过马路的时候要警戒。` (When crossing the street, you must be vigilant.) This sounds overly dramatic and strange, like you're expecting an attack.
  • Correct: `过马路的时候要小心。` (Be careful when crossing the street.)
• 警戒 (jǐngjiè) vs. 警告 (jǐnggào):
  • 警告 (jǐnggào) is a verb that specifically means “to warn” someone. It is the action of giving a warning. Ex: `老师警告他不要再迟到。` (The teacher warned him not to be late again.)
  • 警戒 (jǐngjiè) is usually about the *state* of being on guard. While it *can* be used as a verb for “to warn” (as in Example 7), this usage is much more formal and less common than 警告.

• 小心 (xiǎoxīn) - Be careful. The common, informal counterpart to 警戒.
• 警告 (jǐnggào) - To warn. The specific action of communicating a warning to someone.
• 警惕 (jǐngtì) - To be vigilant, to be on the lookout for. A very close synonym of 警戒, often emphasizing a more internal, mental state of watchfulness.
• 注意 (zhùyì) - To pay attention. A general instruction to be mindful, not necessarily related to danger.
• 防备 (fángbèi) - To take precautions, to guard against. Focuses more on the preparatory actions taken against a potential threat.
• 戒备 (jièbèi) - To be on alert, to guard. Another very close synonym, almost interchangeable with 警戒 in military and security contexts.
• 提醒 (tíxǐng) - To remind. A much softer and friendlier way to draw someone's attention to something.
• 警察 (jǐngchá) - Police. Shares the character 警, linking the idea of “alert” and “warning” with law enforcement.