倍

• 拼音: bèi
• 汉字拆解: 倍 = 亻(person) + 咅 (phonetic component), meaning times/fold

含义

Times; fold. A measure word indicating multiplication or multiples of a base amount.

Used to express multiples: 两倍 (twice), 三倍 (three times), 十倍 (ten times). Very common in math, comparisons, and everyday language when describing proportional increases or differences. Often paired with 是 or comparative structures.

例句

1. 今年的销售额是去年的两倍。
2. 他的工资比我高三倍。
3. 这种新材料的强度是旧材料的五倍。

用法指南

语境: math, comparison, everyday

语气: neutral

正确说法

• 今天的客人是平时的两倍。(Today's customers are double the usual number.)
• 努力学习效率会提高好几倍。(Studying hard can improve efficiency several times over.)

错误说法

• 说'一倍多'表示'多一点' (Be careful with 一倍 — 是...的一倍 means 'is equal to,' not 'is double'; to say double, use 两倍)

起源与历史

Composed of 亻(person) and 咅 (phonetic component). Originally meant 'to double' or 'an equal portion,' later generalised to mean any multiple.

文化背景

世代: All ages

社会背景: Universal