回信

• 拼音: huí xìn
• 汉字拆解: 回 = to reply/return; 信 = letter/message

含义

Reply letter; to write back. A letter written in response to someone.

Can be used as a noun (a reply letter) or a verb (to reply by letter). In modern usage, sometimes extended to include email replies. More formal than just saying 回复.

例句

1. 我已经给他寄了回信，应该这两天就能收到。
2. 她等了一个月才收到大学的回信。
3. 请尽快回信，让我知道你的决定。

用法指南

语境: correspondence, official, traditional

语气: formal

正确说法

• 您的回信我已经收到了。(I have received your reply.)
• 请给我回信。(Please write me back.)

错误说法

• 我回信了他的微信 (回信 is specifically for letters — for WeChat messages, use 回复 or 回了)

起源与历史

Compound of 回 (to reply) + 信 (letter), meaning a letter in reply.

文化背景

世代: All ages

社会背景: Universal