信 xìn
“letter; mail; to trust”
noun, verbHSK 3 · 2021 list level 2Measure word 封
新HSK等级2025 HSK 3.0 syllabus level
信 appears in the November 2025 exam syllabus in the following numbered entry. Levels refer to the listed reading and use, not every meaning.
- Entry 906: 信 xìn — Level 3; official annotation 3 (动、名). PDF page 102
Separate from the HSK 2.0 and 2021 list labels above. Compare the three lists.
用法How to use 信
信 most commonly means "letter"—a written message sent to someone. It is a noun and is used with the measure word 封, as in 一封信. Common patterns are 写信 "write a letter" and 给某人写信 "write a letter to someone."
例句Example sentences
- 我给妈妈写了一封信。wǒ gěi mā ma xiě le yì fēng xìn.I wrote a letter to my mom.
- 今天我收到了一封信。jīn tiān wǒ shōu dào le yì fēng xìn.Today I received a letter.
- 请把这封信给他。qǐng bǎ zhè fēng xìn gěi tā.Please give him this letter.
常见错误Common mistakes
-
✗我写了一个信给妈妈。
✓我写了一封信给妈妈。
Letters are counted with the measure word 封, not 个.
-
✗我写信我妈妈。
✓我写信给我妈妈。
Use 给 before the person who receives the letter.