快

• 拼音: kuài
• 汉字拆解: 快 = 忄(heart) + 夬 (decisive) — originally 'pleased,' later extended to 'fast'

含义

Fast; quick; soon. Describes speed or the imminence of an event.

Used both as an adjective meaning 'fast/quick' and as an adverb meaning 'soon/about to.' In the structure 快要...了, it signals that something is about to happen. Also used to mean 'happy' in certain classical compounds like 快乐 (happy).

例句

1. 他跑得很快。
2. 快要下雨了，我们回家吧。
3. 你走得太快了，等等我。

用法指南

语境: everyday, sports

语气: neutral

正确说法

• 快来吃饭！(Come eat quickly!)
• 时间过得好快。(Time passes so fast.)

错误说法

• 说'快地走'来修饰动词。(Don't say 快地走 — use 快走 directly or 走得很快 as a complement; 快 doesn't take 地 before a verb)

起源与历史

Composed of 忄 (heart radical) and 夬 (to decide). The original meaning was 'happy/pleased' — a heart that is decisive and unburdened. The sense of 'fast' developed later.

文化背景

世代: All ages

社会背景: Universal