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A2 adjective 3 min de lecture

快速

kuàisù

Entraîne-toi Notes et astuces

§ Understanding 快速 (kuàisù)

When you want to describe something as 'fast,' 'rapid,' or 'quick' in Chinese, 快速 (kuàisù) is a solid choice. It's an adjective that often emphasizes speed and efficiency. Think of it as indicating a high rate of movement or development.

Let's look at how it's used in sentences:

科技发展很快速。

Technology is developing very fast/rapidly.

他走路速度很快速。

His walking speed is very quick/fast.

§ Comparing 快速 (kuàisù) with Similar Words

Chinese has several words that can mean 'fast,' and knowing when to use each one will make your Chinese sound more natural.

快 (kuài)

Definition: Quick, fast (adjective or adverb)

快 (kuài) is the most common and versatile word for 'fast.' It can be used as an adjective or an adverb. It's generally more colloquial and informal than 快速 (kuàisù).

这辆车很快。

This car is very fast.

你走得真快！

You walk really fast!

迅速 (xùnsù)

Definition: Rapid, swift, prompt (adjective or adverb)

迅速 (xùnsù) is more formal than 快速 (kuàisù) and 快 (kuài). It often implies that something happens or is done very quickly, usually in response to a situation, and with a sense of urgency or efficiency. It's commonly used in written language or formal speeches.

请迅速处理这个问题。

Please deal with this problem swiftly/promptly.

警察迅速到达现场。

The police arrived at the scene rapidly/swiftly.

神速 (shénsù)

Definition: Remarkably fast, incredibly quick (adjective)

神速 (shénsù) means 'remarkably fast' or 'divinely fast.' It's used when you want to express that something is astonishingly quick, often beyond expectation. It carries a sense of awe or admiration for the speed.

他的进步真是神速！

His progress is truly remarkably fast!

§ When to Choose 快速 (kuàisù)

Use 快速 (kuàisù) when:

You want to describe a general sense of 'fast' or 'rapid' that is slightly more formal or emphasizes efficiency compared to 快 (kuài).
You are talking about the rapid development of something, like technology or economy.
You are describing a fast pace or speed, without the urgent tone of 迅速 (xùnsù) or the awe of 神速 (shénsù).

Here’s a quick summary:

快 (kuài): Everyday, casual 'fast.'
快速 (kuàisù): General 'fast' or 'rapid,' slightly more formal, emphasizes efficiency or rate.
迅速 (xùnsù): Formal 'swift' or 'prompt,' implies urgency and efficiency in response.
神速 (shénsù): 'Remarkably fast,' expresses admiration for incredible speed.

Mémorise-le

Moyen mnémotechnique

Imagine a cheetah, the 'quickest' land animal, saying 'Kuaì Sù!' as it zooms past. The 'Kuaì' sounds like '콰이' (kwai) in Korean, which means 'quickly', and 'Sù' sounds like '쑤' (soo), like the sound of something whooshing past quickly.

Association visuelle

Picture a 'fast' food restaurant with a neon sign flashing '快速' above it. Inside, all the employees are moving at a 'rapid' pace, and the food is prepared 'quickly'.

Word Web

快速火车 (kuàisù huǒchē) - fast train 快速反应 (kuàisù fǎnyìng) - quick reaction 快速发展 (kuàisù fāzhǎn) - rapid development 快速通道 (kuàisù tōngdào) - express lane 快速增长 (kuàisù zēngzhǎng) - rapid growth

Défi

Describe three things in your daily life that are '快速' (fast, rapid, quick). For example, '我的电脑启动很快.' (Wǒ de diànnǎo qǐdòng hěn kuài.) - 'My computer starts up very quickly.' or '他快速地跑了起来.' (Tā kuàisù de pǎo le qǐlái.) - 'He ran quickly.'