等于

• 拼音: děng yú
• 汉字拆解: 等 (děng) — equal, same level; 于 (yú) — at, to, in

含义

To equal; to be equivalent to. Used in mathematics and figurative comparisons.

Most commonly used in mathematical expressions but also widely used figuratively to mean 'is essentially the same as' or 'amounts to.'

例句

1. 二加三等于五。
2. 不努力等于放弃。
3. 这个价格等于两杯咖啡的钱。

用法指南

语境: mathematics, logic, figurative comparisons

语气: factual

正确说法

• 一百厘米等于一米。(One hundred centimetres equals one metre.)
• 没有计划等于没有方向。(Having no plan equals having no direction.)

错误说法

• 不要用'等于'来比较人 — 等于 is for quantities or abstract equivalences, not for comparing people. Say 他和他哥哥一样高 instead of 他等于他哥哥.

起源与历史

Compound of 等 (equal, same) and 于 (to, at). Together they express the concept of being equal to something.

文化背景

世代: All ages

社会背景: Universal