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加速 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
加速jiāsùto speed upHSK 5, unknown, 15 strokes, rank #4124, Hard
加速jiāsùto expediteHSK 5, unknown, 15 strokes, rank #4124, Hard
jiāsù(jia1su4)jia su T1
  1. 1to speed up
  2. 2to expedite
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March 24, 2026

加速jiāsù(jia1su4)

加速 (jiā sù) means 'to speed up' or 'to expedite.' It is commonly used in contexts such as transportation, processes, or any situation where increasing speed or efficiency is desired. The term conveys a sense of urgency and improvement in performance.

Strokes15Frequency#4124DifficultyHard
Cultural Note

In modern Chinese society, the concept of 加速 is particularly relevant in discussions around technological innovation and economic growth, reflecting a cultural emphasis on efficiency and rapid advancement in various sectors.

Memory Tip

Imagine a car (加) that is adding (加) fuel to go faster (速). Visualize the car speeding down the road, indicating that it is accelerating. The character 加 resembles a person adding something, while 速 suggests swift movement, helping you remember both its form and meaning.

Meanings of 加速

jiāsù(jia1su4)
1to speed up
2to expedite
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About 加速

加速Simplified
15Strokes
—Radical
动词dòngcíverb (v.)Part of Speech
#—Frequency Rank
HSK 3.0L5IntermediateHSKKL3CEFRB2

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AI Study Notes for 加速

Quick Contrast

加快 (jiākuài) — choose 加速 when emphasizing urgency or a significant increase in speed, while 加快 is more about increasing speed without the same connotation of urgency.

Usage Notes

Learners often confuse 加速 with 速度 (sùdù), which means 'speed.' While 速度 refers to the rate of speed, 加速 specifically refers to the action of increasing that speed. It's generally used in formal contexts, such as business discussions.

HSK Study Tips

加速 may not be explicitly listed in the HSK vocabulary, but it is relevant for HSK 4 and above due to its application in various contexts like technology and economics. Students should focus on recognizing how it modifies actions or processes.

Common Mistakes

Learners might mistakenly use 加速 when referring to general speed without the action aspect, such as saying '这个车的加速很快' (This car's speed is fast) instead of '这个车加速很快' (This car speeds up quickly). It's important to remember that 加速 emphasizes the action of speeding up.

AI-enhanced 2026-03-24

Pronunciation of 加速

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Component Characters

加jiāto add
HSK 35 strokes力
View full entry
速sùfast
10 strokes辶
View full entry

How to say to speed up in Chinese

“to speed up” in Chinese is加速jiāsù

加速 (jiā sù) means 'to speed up' or 'to expedite.' It is commonly used in contexts such as transportation, processes, or any situation where increasing speed or efficiency is desired. The term conveys a sense of urgency and improvement in performance.

When to use 加速

Learners often confuse 加速 with 速度 (sùdù), which means 'speed.' While 速度 refers to the rate of speed, 加速 specifically refers to the action of increasing that speed. It's generally used in formal contexts, such as business discussions.

加速 or something close to it

加快 (jiākuài) — choose 加速 when emphasizing urgency or a significant increase in speed, while 加快 is more about increasing speed without the same connotation of urgency.

What learners get wrong

Learners might mistakenly use 加速 when referring to general speed without the action aspect, such as saying '这个车的加速很快' (This car's speed is fast) instead of '这个车加速很快' (This car speeds up quickly). It's important to remember that 加速 emphasizes the action of speeding up.

Write 加速

加
速

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Cultural Notes for 加速

🌏Cross-cultural Insight

In Western cultures, the idea of 'speeding up' often emphasizes productivity, while in Chinese culture, it may also imply a collective effort to improve efficiency in work and technology.

Frequently Asked Questions about 加速

加速 generally means to speed up any process, while 提速 specifically refers to increasing the speed of transport or technology.

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