Meaning and Usage
"快速" is an adjective meaning "fast" or "rapid." It is commonly used to describe speed in various contexts such as movement, reaction, or processes. It often modifies nouns like "速度" (speed), "反应" (reaction), or "通行" (passage).
Common Collocations
- 快速速度: emphasizes very high speed.
- 快速反应: highlights the importance of reacting quickly.
- 快速通行: refers to moving through or passing quickly, often used for vehicles or people.
Usage Notes
"快速" is more formal and precise than just "快" and is often used in written or formal spoken Chinese. It can describe both physical speed and metaphorical speed (like reaction or progress). Avoid confusing it with "快" alone, which can be more general and also mean "happy" or "comfortable" depending on context.
Register and Tone
"快速" is neutral and suitable for both formal and informal contexts but appears more frequently in news, instructions, or technical descriptions.