延后

The Chinese word 延后 (yánhòu) is a fundamental verb that every learner should master early on, as it deals with the universal concept of time management and rescheduling. At its core, 延后 is composed of two characters: 延 (yán), which means to prolong, extend, or stretch out, and 后 (hòu), which means after, behind, or later. When combined, they create a verb that literally translates to 'extending toward the back,' or more naturally in English, 'to postpone' or 'to delay.' This word is incredibly versatile and is used in both formal and informal contexts, ranging from a casual dinner with friends to a high-stakes corporate board meeting. It is the go-to term when an event that was supposed to happen at a specific time is moved to a later point in time. Understanding 延后 requires a grasp of how Chinese speakers perceive the flow of time; while English speakers often talk about 'pushing' a meeting back, Chinese speakers use the logic of 'extending' the timeline further into the future.

Core Meaning

To move a scheduled event, action, or deadline to a later time or date. It focuses on the act of rescheduling rather than the reason for the delay itself.

In daily life, you will encounter 延后 in various scenarios. For instance, if you are running late for a coffee date, you might ask to 延后 the meeting by fifteen minutes. In a professional setting, if a project is not yet ready for presentation, the manager might decide to 延后 the deadline. It is important to note that 延后 is often used as a transitive verb, meaning it can take an object (like a meeting or a plan), or it can be used intransitively when the context is clear. The word carries a neutral tone; it doesn't necessarily imply a negative frustration like 'stalling' (拖延 tuōyán), but rather a practical adjustment of a schedule. Unlike some other synonyms, 延后 is very literal about the direction of the change—always toward the future, never earlier.

Furthermore, 延后 is frequently paired with specific time durations. You can say 延后一小时 (postpone by one hour) or 延后到明天 (postpone until tomorrow). This structural flexibility makes it a favorite for logistical communications. In the modern world of digital notifications and constant rescheduling, seeing this word on your phone or in an email is a daily occurrence. Whether it's a software update being 延后 or a flight departure being 延后, the word is indispensable for navigating modern life in a Chinese-speaking environment. It bridges the gap between simple 'later' (等一下) and formal 'deferment' (延期), making it a high-frequency, high-utility vocabulary item for learners at all levels.

Synonym Comparison

While '推迟' (tuīchí) also means to postpone, '延后' is slightly more informal and emphasizes the 'later' aspect, whereas '推迟' emphasizes the 'pushing' action.

In summary, 延后 is your primary tool for talking about moving things back in time. It is polite, clear, and grammatically straightforward. By mastering this word, you gain the ability to manage expectations and negotiate schedules effectively, which is a crucial skill in any language. Whether you are dealing with a simple change of plans or a complex organizational shift, 延后 provides the linguistic precision needed to ensure everyone is on the same page regarding when things will actually happen.

Using 延后 (yánhòu) correctly involves understanding its placement within a sentence and the common structures it inhabits. Because it is a verb, its most common position is after the subject and before the time duration or the target time. One of the most frequent patterns is 'Subject + 延后 + Time Duration,' such as '会议延后了十分钟' (The meeting was delayed by ten minutes). Here, the particle '了' (le) is often used to indicate that the change has already been decided or has taken effect. Another essential pattern is '把 + Object + 延后 + 到 + Specific Time,' which means 'to postpone the [object] until [time].' This '把' (bǎ) construction is particularly common when you want to emphasize the action being taken on a specific event, like a wedding or a deadline.

Pattern 1: Simple Delay

[Event] + 延后 + 了 + [Duration]. Example: 演出延后了半小时 (The performance was delayed by half an hour).

It is also important to recognize that 延后 can function as an adjective or part of a compound noun in some contexts, though its primary role is verbal. For example, you might hear '延后执行' (delayed execution) in a legal or technical context. When using it to ask for a favor, it’s polite to add a reason or a polite modal verb. For instance, '能不能延后一下？' (Can we delay it for a bit?) uses '一下' (yíxià) to soften the request, making it sound more natural and less demanding. This 'softening' is a key aspect of natural-sounding Chinese conversation. If you are in a professional environment, you might say '请问我们可以把截止日期延后吗？' (May I ask if we can postpone the deadline?).

Another nuance is the use of 延后 in passive sentences. While Chinese uses the '被' (bèi) construction for the passive voice, it is actually more common to use a 'topic-comment' structure where the event is the topic: '比赛延后了' (The match is postponed). This is more idiomatic than '比赛被延后了,' although the latter is grammatically correct. When you want to express that something *must* be postponed, you use '不得不' (bùdébù) or '必须' (bìxū) before 延后. This adds a layer of necessity or external pressure, which is common in news reports or formal announcements regarding public transport or large events.

Pattern 2: Target Time

把 + [Object] + 延后 + 到 + [New Time]. Example: 把考试延后到下周 (Postpone the exam until next week).

Finally, consider the relationship between 延后 and its antonym 提前 (tíqián - to move forward/do in advance). In any scheduling conversation, these two words are like two sides of a coin. If someone suggests moving a meeting earlier, you might counter-propose to 延后 it instead. Understanding this contrast helps solidify the meaning of 延后 as specifically 'later.' By practicing these structures—the simple duration, the '把' construction, and the softened request—you will be able to handle almost any situation involving a change in time with confidence and clarity.

延后 (yánhòu) is a word that echoes through the halls of daily life in China, Taiwan, Singapore, and other Chinese-speaking regions. If you are standing in a crowded train station or airport, 延后 is the word you dread seeing on the departure board. Announcements like '航班延后起飞' (The flight's takeoff is postponed) or '列车延后到达' (The train's arrival is delayed) are common occurrences. In these public service contexts, the word conveys a formal but necessary update to the public. It is also a staple of office life. In a typical Monday morning meeting, a project lead might say, '由于技术问题，上线日期需要延后' (Due to technical issues, the launch date needs to be postponed). Here, it serves as a professional way to manage expectations without sounding like an excuse.

Context: Travel

Used on screens and in announcements to indicate that planes, buses, or trains are not running on their original schedule.

You will also hear 延后 frequently in the context of school and education. Students might ask a teacher, '老师，能不能把交作业的时间延后几天？' (Teacher, can we postpone the homework submission for a few days?). Teachers, in turn, might announce that an exam has been 延后 due to a school event. In social circles, it is used to reschedule dinners, movies, or outings. If a friend says, '我今天有点事，我们把聚会延后到周末吧？' (I have some things to do today, let's postpone the gathering to the weekend?), they are using 延后 to propose a more convenient time. It is a polite way to negotiate social commitments without cancelling them entirely.

In the world of media and entertainment, 延后 is used when movies, TV shows, or concerts are rescheduled. A news headline might read, '某明星演唱会因病延后' (A certain celebrity's concert postponed due to illness). This usage is very common in entertainment news. Furthermore, in the digital age, software developers use 延后 when a feature release is pushed to a later version. Even in sports, if a game is delayed due to rain or a power outage, the commentators will use 延后 to describe the situation. In essence, anywhere there is a schedule, you will find 延后 being used to describe the inevitable changes to that schedule.

Context: Academic

Used by students and faculty to discuss deadlines, exam dates, and lecture times.

Finally, it's worth noting that 延后 is also used in governmental and legal contexts. Policy implementations, court hearings, and official visits can all be 延后. For example, '新法律的生效日期已延后' (The effective date of the new law has been postponed). This wide range of applications—from the triviality of a lunch date to the gravity of national legislation—demonstrates why 延后 is a cornerstone of the Chinese language. It is a word that manages the friction between human plans and the unpredictability of reality, making it a vital part of your communicative toolkit.

One of the most frequent mistakes English speakers make when using 延后 (yánhòu) is confusing it with its close relative 推迟 (tuīchí). While both can be translated as 'postpone' or 'delay,' they have subtle differences in nuance and usage. 延后 is more about the 'later' aspect of the timeline, whereas 推迟 literally means 'to push (推) late (迟)'. In many everyday situations, they are interchangeable, but 推迟 is often used for formal events or scheduled plans, while 延后 is slightly more common for simple time durations or when focusing on the 'after' result. A common error is using 延后 when you actually mean 'to be late' (迟到 chídào). For example, you cannot say '我延后了' to mean 'I am late.' You must say '我迟到了.' 延后 describes the rescheduling of an *event*, not the status of a *person* being behind schedule.

Mistake 1: Confusing with 'Late'

Incorrect: 我延后了十分钟 (to mean 'I'm 10 mins late'). Correct: 我迟到了十分钟. 延后 is for plans, 迟到 is for people.

Another error involves the preposition '到' (dào). Learners often forget to include '到' when they are specifying a new target time. For instance, saying '延后下个星期' is grammatically incomplete; it should be '延后到下个星期' (postpone until next week). Without '到', the phrase sounds like 'postpone next week,' which is confusing. Conversely, when expressing a duration of time (e.g., 'delay by two hours'), you should *not* use '到'. You should say '延后两个小时.' Mixing up these two structures—duration vs. target time—is a hallmark of intermediate learners. Mastering the '到' vs. 'duration' distinction will immediately make your Chinese sound more precise.

A third common mistake is using 延后 when the delay is unintentional or negative, such as a traffic jam. In such cases, 耽误 (dānwu) or 延迟 (yánchí) might be more appropriate. 延后 usually implies a conscious decision to move a time slot. If you are stuck in traffic and as a result, your arrival is delayed, you would say '堵车耽误了我的时间' (Traffic delayed my time). If the flight is delayed due to weather, '延迟' or '延误' is more common in official terminology. While 延后 isn't strictly 'wrong' here, it might sound a bit too much like a planned rescheduling rather than an unfortunate delay. Finally, some learners try to use '延前' as an opposite of '延后'. This word does not exist in standard Chinese. The opposite is 提前 (tíqián), meaning to move something earlier or to do it in advance.

Mistake 2: The Non-Existent '延前'

Never say '延前' (yánqián). Always use '提前' (tíqián) for moving things earlier.

By being aware of these nuances—distinguishing between people and events, using '到' correctly for target times, and choosing the right word for intentional vs. unintentional delays—you can avoid the most common pitfalls. 延后 is a powerful word, but like any tool, it works best when used with precision. Pay attention to how native speakers use it in different contexts, and you'll quickly develop a feel for its proper application.

The Chinese language has a rich vocabulary for describing time and delays, and knowing the alternatives to 延后 (yánhòu) will help you sound more sophisticated and precise. The most common alternative is 推迟 (tuīchí). As mentioned before, 推迟 is very close in meaning but is often used for formal events or projects. For example, '推迟开会' (to postpone the meeting) sounds slightly more like a formal administrative decision, whereas '延后开会' sounds like a practical adjustment. Another important word is 延期 (yánqī). This specifically refers to extending a 'period' or 'deadline' (期). You would use 延期 for things like a visa, a library book's due date, or a construction project's completion date. It literally means 'to extend the period.'

延期 (yánqī)

Focuses on extending a deadline or a valid period (like a visa or contract). Use this for durations of days, months, or years.

Then there is 延迟 (yánchí), which is often used in technical contexts, such as 'network latency' (网络延迟) or a 'delayed signal.' It implies a lag or a slow-down in a process. Similarly, 延误 (yánwù) is the standard word for transportation delays. If your flight is late, the screen will say '延误,' not 延后. 延误 carries a stronger sense of an error or a problem causing the delay. For something more negative, like procrastination, you would use 拖延 (tuōyán). If you say someone is 拖延, you are criticizing them for putting things off lazily. This is very different from the neutral 延后, which is just about the schedule itself.

In a very informal setting, you might just use '改天' (gǎitiān - change to another day) or '晚点' (wǎndiǎn - a bit later). For instance, '我们改天再聊' (Let's chat another day) is a common way to 'postpone' a conversation without using the formal word 延后. Similarly, '晚点再说' (Let's talk about it later) is very colloquial. On the other end of the spectrum, formal documents might use 顺延 (shùnyán), which means 'to postpone in sequence.' This is used when a holiday falls on a weekend and the day off is 'moved' to the following Monday. Understanding these distinctions allows you to choose the word that fits the register and the specific nature of the delay.

拖延 (tuōyán)

Negative connotation: procrastination or intentional stalling. Example: 他总是拖延交报告的时间 (He always procrastinates on submitting reports).

By familiarizing yourself with these synonyms—推迟, 延期, 延迟, 延误, 拖延, and 顺延—you build a comprehensive map of how time is handled in the Chinese language. Each word has its own 'home' context. 延后 remains the most versatile and 'safe' word for general use, but knowing when to switch to '延期' for a deadline or '延误' for a flight will make your Chinese sound authentic and precise. As you continue to learn, try to notice which word is used in which environment, and you'll find that the nuances become second nature.