SenMandarin: 左右与大约:怎样表达概数

How do you say “about 20 minutes,” “around five people,” or “approximately three kilometers” in Chinese?

Two useful expressions are 左右 (zuǒyòu) and 大约 (dàyuē).

They have similar meanings, but their positions are different.


The Key Difference

左右 (zuǒyòu) comes after the number or time expression.

Pattern:

Quantity or time expression + 左右

For example:

五个人左右

Wǔ ge rén zuǒyòu

Around five people

一个小时左右

Yí ge xiǎoshí zuǒyòu

Around one hour


大约 (dàyuē) comes before the number or time expression.

Pattern:

大约 + quantity or time expression

For example:

大约五个人

Dàyuē wǔ ge rén

About five people

大约一个小时

Dàyuē yí ge xiǎoshí

About one hour

📌 The meanings are very similar. The main difference is the word order:

大约 comes before.

左右 comes after.

Chinese learning illustration: 大约 (dàyuē) comes before the number or time expression.


1. Using 左右 (zuǒyòu)

When 左右 follows a number or time expression, it means “around” or “approximately.”

It is commonly used for quantities, time, age, distance and prices.

Quantity

教室里有二十个学生左右。

Jiàoshì lǐ yǒu èrshí ge xuésheng zuǒyòu.

There are around twenty students in the classroom.

我想买五个苹果左右。

Wǒ xiǎng mǎi wǔ ge píngguǒ zuǒyòu.

I want to buy around five apples.

Time and Duration

我们八点左右走。

Wǒmen bā diǎn zuǒyòu zǒu.

We will leave at around eight o’clock.

我每天学习汉语一个小时左右。

Wǒ měitiān xuéxí Hànyǔ yí ge xiǎoshí zuǒyòu.

I study Chinese for around one hour every day.

Age, Distance and Price

他二十五岁左右。

Tā èrshíwǔ suì zuǒyòu.

He is around twenty-five years old.

我家离学校三公里左右。

Wǒ jiā lí xuéxiào sān gōnglǐ zuǒyòu.

My home is around three kilometers from the school.

这件衣服要三百块钱左右。

Zhè jiàn yīfu yào sānbǎi kuài qián zuǒyòu.

This item of clothing costs around 300 yuan.

Chinese learning illustration: Age, Distance and Price


2. Using 大约 (dàyuē)

大约 also means “about” or “approximately.”

It usually comes before the number, quantity or time expression that it describes.

Quantity

今天大约有十五个人来上课。

Jīntiān dàyuē yǒu shíwǔ ge rén lái shàngkè.

About fifteen people came to class today.

冰箱里还有大约十个鸡蛋。

Bīngxiāng lǐ hái yǒu dàyuē shí ge jīdàn.

There are about ten eggs left in the refrigerator.

Time and Duration

坐地铁大约需要四十分钟。

Zuò dìtiě dàyuē xūyào sìshí fēnzhōng.

Taking the subway takes about forty minutes.

电影大约九点结束。

Diànyǐng dàyuē jiǔ diǎn jiéshù.

The movie ends at around nine o’clock.

Distance and Price

从这里到车站大约两公里。

Cóng zhèlǐ dào chēzhàn dàyuē liǎng gōnglǐ.

It is about two kilometers from here to the station.

这件衣服大约三百块钱。

Zhè jiàn yīfu dàyuē sānbǎi kuài qián.

This item of clothing costs about 300 yuan.

Chinese learning illustration: Distance and Price


3. Compare the Two Patterns

Look at these two sentences:

我们要等十分钟左右。

Wǒmen yào děng shí fēnzhōng zuǒyòu.

We need to wait for around ten minutes.

我们要等大约十分钟。

Wǒmen yào děng dàyuē shí fēnzhōng.

We need to wait for about ten minutes.

The meaning is almost the same.

Only the position changes:

十分钟 + 左右

大约 + 十分钟

Chinese learning illustration: 3. Compare the Two Patterns


4. Can We Say 大约……左右?

You may sometimes hear sentences like:

⚠️ 今天来了大约二十个人左右。

Jīntiān lái le dàyuē èrshí ge rén zuǒyòu.

About twenty people came today.

This sentence is understandable and appears in everyday Chinese. However, 大约 and 左右 both express approximation, so using both is repetitive.

For clear and concise Chinese, choose one:

✅ 今天来了大约二十个人。

Jīntiān lái le dàyuē èrshí ge rén.

About twenty people came today.

✅ 今天来了二十个人左右。

Jīntiān lái le èrshí ge rén zuǒyòu.

Around twenty people came today.

For learners, using only one is the safest choice.

Chinese learning illustration: 4. Can We Say 大约……左右?


5. Common Word-Order Mistakes

❌ 左右五个人

✅ 五个人左右

Wǔ ge rén zuǒyòu

Around five people


❌ 五个人大约

✅ 大约五个人

Dàyuē wǔ ge rén

About five people

A simple memory trick:

大约 looks forward, so it comes before the number.

左右 looks back, so it comes after the number. 🎯


6. What About 大概 and 差不多?

Chinese also uses 大概 (dàgài) and 差不多 (chàbuduō) to express approximation.

大概 (dàgài)

大概 is often similar to 大约 and usually comes before the approximate information.

我们大概八点到。

Wǒmen dàgài bā diǎn dào.

We will arrive at about eight o’clock.

差不多 (chàbuduō)

Before a number or amount, 差不多 can mean “about” or “roughly.”

我们走了差不多两个小时。

Wǒmen zǒu le chàbuduō liǎng ge xiǎoshí.

We walked for about two hours.

For now, beginners only need to remember these two clear patterns:

大约 + number or time expression

number or time expression + 左右


Quick Practice ✍️

Choose 左右 or 大约.

  1. 我们班有二十个学生______。

  2. 从这里到机场需要______一个小时。

  3. 他三十岁______。

  4. 今天______有十五个人来上课。

Chinese learning illustration: Quick Practice ✍️


Answers

  1. 我们班有二十个学生左右。

  2. 从这里到机场需要大约一个小时。

  3. 他三十岁左右。

  4. 今天大约有十五个人来上课。


Final Review

Use 左右 after a number or time expression:

十分钟左右

Shí fēnzhōng zuǒyòu

Around ten minutes

Use 大约 before a number or time expression:

大约十分钟

Dàyuē shí fēnzhōng

About ten minutes

Remember:

大约 comes before. 左右 comes after.

Once you remember the position, this grammar point becomes easy. 😊