当时

The Chinese word 当时 (dāngshí) is a fundamental temporal adverb that functions as a precise anchor in the past. In English, it is most commonly translated as 'at that time,' 'then,' or 'at the moment.' However, its usage in Mandarin is more specific than the English 'then,' which can sometimes refer to the future or a sequence of events. 当时 specifically points back to a particular moment or period that has already been established in the conversation or narrative. It acts like a mental spotlight, illuminating a specific point on the timeline of the past to provide context for an action, a state of mind, or a situational environment.

Temporal Specificity

Unlike general past markers, 当时 requires a previously mentioned context. You cannot start a conversation with it unless the 'time' has already been implied. It focuses on the 'instant' or the 'duration' of the event being discussed.

Narrative Function

In storytelling, it is used to describe the background conditions. For example, 'I didn't know he was lying at that time.' It separates the current knowledge of the speaker from the limited knowledge they had in the past.

Emotional Distance

It often carries a reflective tone, allowing the speaker to look back objectively or nostalgically at a situation that has since changed.

The word is composed of two characters: 当 (dāng), which means 'to be at' or 'facing,' and 时 (shí), meaning 'time' or 'period.' Together, they literally mean 'facing the time' or 'at the very time.' This structural composition highlights its role as a situational marker. It is ubiquitous in both spoken and written Chinese, appearing in news reports to describe the moment of an incident, in historical texts to describe an era, and in daily gossip to clarify when something happened.

Furthermore, 当时 can be used to emphasize the immediacy of a reaction. When someone says '当时我就哭了' (At that moment, I cried), the use of 当时 emphasizes that the crying was a direct and immediate result of the circumstances being discussed. It bridges the gap between the cause and the effect within the past context.

Formal vs. Informal

While 当时 is neutral and can be used in any register, in very casual spoken Beijing dialect, you might hear 那会儿 (nàhuìr) instead. In very formal or literary Chinese, you might encounter 彼时 (bǐshí). However, 当时 remains the most versatile and safe choice for learners at all levels.

Using 当时 (dāngshí) correctly involves understanding its placement within the Chinese sentence structure. As a time adverb, it follows the general rule of 'Subject + Time + Verb' or 'Time + Subject + Verb.' The choice between these two placements often depends on what the speaker wants to emphasize. Placing it at the very beginning of the sentence sets the stage for the entire clause, while placing it after the subject focuses more on the subject's state or action at that specific moment.

Pattern 1: Time + Subject + Verb

This is used to establish the background. 当时我不知道他在哪儿。 (At that time, I didn't know where he was.) By starting with 当时, you are immediately telling the listener to look back at the past context.

Pattern 2: Subject + Time + Verb

This is more common in descriptive sentences. 他当时很年轻。 (He was very young at that time.) Here, the focus is on 'he,' and 'at that time' provides the necessary temporal constraint for the adjective 'young.'

One of the most important aspects of using 当时 is its interaction with other particles like 就 (jiù). When 当时 is followed by 就, it emphasizes that an action happened immediately or as a direct consequence of the circumstances. For example, '我当时就想回家' (At that moment, I immediately wanted to go home). This combination is very frequent in emotional storytelling.

In complex sentences, 当时 can also act as an attributive, modifying a noun. In this case, it is usually followed by the particle 的 (de). For example, 当时的政策 (the policy at that time) or 当时的照片 (the photos from that time). This allows you to discuss objects or concepts as they existed in a specific historical or situational context.

Comparison with '那时'

当时 feels more formal and precise, often referring to a specific point in an event. 那时 (or 那时候) is broader and more colloquial, often referring to a general era or a long period in the past.

When writing, ensure that the context for 当时 is clear. If you haven't established a past time frame, the reader will be confused. For instance, if you are talking about your childhood, you can use 当时 to refer to specific incidents within that childhood. It serves as a zoom lens, focusing on the details of the past.

The word 当时 (dāngshí) is an essential part of the linguistic fabric in Chinese-speaking societies. You will encounter it in a wide variety of contexts, from high-stakes legal proceedings to casual dinner table nostalgia. Understanding where you hear it helps in grasping its pragmatic nuances.

In News and Journalism

Journalists use 当时 to report on accidents, crimes, or historical events. It provides the 'when' in the 'who, what, where, when, why' of reporting. You'll hear phrases like '当时在场的目击者说...' (Witnesses present at the time said...). It adds a layer of factual precision to the report.

In Legal and Police Contexts

When police interview suspects or witnesses, 当时 is the go-to word for establishing a timeline. '你当时在做什么？' (What were you doing at that time?) is a standard question. In this context, it is used to pin down specific actions to a specific second or minute.

In Personal Narratives and Memoirs

When people recount their life stories, 当时 is used to contrast their past selves with their current selves. '我当时太年轻，不懂事。' (I was too young and naive at that time.) It creates a narrative distance that allows for reflection and growth.

In movies and TV dramas, especially those involving mysteries or historical settings, 当时 is used frequently during flashbacks. It signals to the audience that the scene they are watching is a reconstruction of a past event. It is the linguistic equivalent of a sepia filter or a 'flashback' transition effect.

Furthermore, in business meetings, 当时 is used to review past decisions or project phases. '当时我们的预算不够' (Our budget was insufficient at that time) explains why a certain path was taken. It helps in post-mortem analyses of projects, allowing teams to understand the constraints they were under in the past.

Lastly, you will see it in literature to set the historical backdrop. A novel might begin with '在当时的大环境下...' (In the general environment of that time...), immediately grounding the reader in a specific historical era. It is a powerful tool for world-building in writing.

While 当时 (dāngshí) is a relatively straightforward word, English speakers often encounter specific pitfalls due to the differences in how 'then' and 'at that time' are used in English versus Mandarin. Avoiding these common errors will significantly improve your fluency and accuracy.

Mistake 1: Using '当时' for Future Events

In English, 'then' can refer to the future (e.g., 'I will see you then'). In Chinese, 当时 is strictly for the past. If you use it for the future, it will sound very confusing.
❌ 明天见，我当时给你钱。 (Incorrect)
✅ 明天见，我到时候给你钱。 (Correct - use 到时候 for future 'then').

Mistake 2: Confusing '当时' with '及时' (jíshí)

Because both words contain 时 (shí) and relate to time, learners often mix them up. 当时 means 'at that time,' while 及时 means 'timely' or 'in time.'
❌ 谢谢你当时帮我。 (This means 'Thanks for helping me at that time' - which is fine, but if you mean 'Thanks for helping me in time,' you must use 及时).

Another subtle mistake is the over-reliance on 当时 when 那时候 (nà shíhou) would be more natural. 当时 is more 'pointed' and often refers to a specific incident. 那时候 is better for general periods like 'when I was a kid' or 'back in the 90s.' Using 当时 for a ten-year period can sometimes feel slightly too formal or overly specific.

Furthermore, learners sometimes forget to use the particle 的 (de) when using 当时 as an adjective. If you want to say 'the people at that time,' you must say 当时的人, not just 当时人 (unless it's a specific compound noun in a formal context). The 的 is crucial for grammatical linking.

Lastly, be careful not to confuse 当时 (dāngshí) with 同时 (tóngshí). 同时 means 'at the same time' or 'simultaneously.' While they look similar, their functions are entirely different. 当时 looks back at one point, while 同时 links two concurrent actions.

To truly master 当时 (dāngshí), it is helpful to compare it with its synonyms and related terms. Mandarin has several ways to say 'then' or 'at that time,' each with a slightly different flavor or register. Choosing the right one can make your Chinese sound much more nuanced and native-like.

那时 / 那时候 (nàshí / nà shíhou)

These are the most common alternatives. 那时候 is more colloquial and is used for broader time periods. If you are talking about your college days, 那时候 is more natural. 当时 is better for a specific moment during college, like the day you graduated.

那会儿 (nàhuìr)

This is a very informal, Northern Chinese (especially Beijing) expression. It is almost exclusively used in spoken language and conveys a sense of casual storytelling. It's like saying 'back then' or 'at that point' in a friendly chat.

彼时 (bǐshí)

This is the formal, literary counterpart to 当时. You will find it in classical literature, formal essays, or high-end journalism. It carries a more poetic or historical weight. It is rarely used in daily conversation.

Another word often confused with 当时 is 即刻 (jíkè) or 立刻 (lìkè). While 当时 can imply immediacy (especially when paired with 就), 立刻 specifically means 'immediately' regardless of the time frame. You can use 立刻 for the future, but you cannot use 当时 for the future.

In some contexts, you might also see 届时 (jièshí). This is a formal word used for the future, meaning 'at the appointed time' or 'when the time comes.' It is common in invitations or official announcements (e.g., 'The meeting will be held on Friday; please attend 届时'). This is a high-level alternative to 到时候.

By understanding these distinctions, you can avoid the 'one-word-fits-all' trap. Use 当时 when you want to be precise about a past event, 那时候 when you're being nostalgic about an era, and 到时候 when you're making future plans. This level of precision is what separates an intermediate learner from an advanced speaker.