于

• 拼音: yú
• 汉字拆解: 于 = ancient pictograph, simplified from 亏, a grammatical particle with no decomposable meaning

含义

In; at; to; from; than. A versatile literary preposition indicating time, place, or comparison.

One of the most important classical particles, still widely used in formal Chinese. Common patterns: 生于 (born in), 位于 (located at), 属于 (belong to), 对于 (regarding), 关于 (about), 由于 (due to), 至于 (as for). More literary than 在.

例句

1. 这座桥建于一九五零年，至今仍在使用。
2. 公司总部位于北京市中心，交通十分便利。
3. 这款产品优于市场上的其他同类产品。

用法指南

语境: written, official, literary

语气: formal

正确说法

• 他毕业于北京大学。(He graduated from Peking University.)
• 这种情况有别于以往。(This situation differs from before.)

错误说法

• 我于家 — 日常口语用'在'，于只用于书面或正式场合，说'我在家'

起源与历史

An ancient preposition from Classical Chinese, originally written as 亏. One of the most enduring function words, maintaining its use from ancient texts to modern formal Chinese.

文化背景

世代: All ages

社会背景: Universal