相等

• Pinyin: xiāng děng
• Hanzi breakdown: 相 = 木 (tree) + 目 (eye), meaning to observe mutually; 等 = 竹 (bamboo) + 寺 (temple), meaning equal or grade

Meaning

Equal; equivalent; to be the same in value or amount. Indicates two things having the same measure or quantity.

Used primarily in mathematical, scientific, or comparative contexts. Unlike 一样 which can mean similar, 相等 specifically means equal in quantity or value. Often used with 数量 (quantity), 价值 (value), or in formal comparisons.

Examples

1. 这两条线段的长度相等。 These two line segments are equal in length.
2. 双方的实力基本相等，比赛很激烈。 Both sides are roughly equal in strength, making the competition very intense.
3. 在这个公式里，等号两边的值必须相等。 In this formula, the values on both sides of the equals sign must be equal.

Usage Guide

Context: mathematics, comparison

Tone: technical

Do Say

• 如果A和B相等，那么结果就是零。(If A and B are equal, then the result is zero.)
• 我们要确保每个人获得相等的机会。(We must ensure everyone gets equal opportunities.)

Don't Say

• 他们相等高 (Awkward construction — use 他们一样高 for equal height in everyday speech)

Origin & History

Compound of 相 (mutual, each other) and 等 (equal, grade), meaning mutually equal.

Cultural Context

Generation: All ages

Social background: Universal