用于

• 拼音: yòng yú
• 汉字拆解: 用 = to use; 于 = formal preposition meaning at/in/for

含义

Used for; applied to. A formal way to indicate purpose or application.

More formal than 用来, commonly found in written language, technical documents, and official communications. Often used when describing official allocations, technical applications, or formal purposes. Can also mean 'to allocate toward.'

例句

1. 这笔资金将用于教育事业的发展。
2. 该技术已广泛用于医疗领域。
3. 公司决定将利润的一部分用于员工培训。

用法指南

语境: official documents, technical writing, allocations

语气: formal

正确说法

• 此设备用于科学研究。(This equipment is used for scientific research.)
• 资金主要用于基础设施建设。(Funds are mainly used for infrastructure construction.)

错误说法

• 我用于吃饭 (Too formal for daily actions — use 用来 or just describe the action directly)

起源与历史

Compound of 用 (to use) and 于 (at, in, for). The preposition 于 makes it more formal.

文化背景

世代: All ages

社会背景: Educated