Definitions
- 1. letter (sent by mail)
Word relationships
Usage notes
Collocations
信件 is a mass noun; use 一封信 for 'a letter', not 一封信件.
Common mistakes
Common mistake: *写一封信件 is incorrect. Use 写一封信 (write a letter). 信件 is not used with numeral+classifier directly; it refers to letters collectively.
Example Sentences
1 shown电子邮件已经取代了传统 信件 。
Email has already replaced traditional letters.
AI-generated examples are marked with this icon.