以 yǐ
“to use; by means of; according to”
preposition, conjunction, attributiveHSK 4
新HSK等级2025 HSK 3.0 syllabus level
以 appears in the November 2025 exam syllabus in the following numbered entry. Levels refer to the listed reading and use, not every meaning.
- Entry 3362: 以 yǐ — Level 5; official annotation 5（7-9） (介、（连）). PDF page 164
Separate from the HSK 2.0 and 2021 list labels above. Compare the three lists.
用法How to use 以
以 is a formal preposition meaning "with, by means of, according to." It introduces the means, standard, or basis for an action, and often appears in patterns like 以…为… ("take … as …") or 以…的方式 ("in the manner of …"). It is common in fixed phrases such as 以…为主 and 以…闻名.
例句Example sentences
- 我们以小组为单位学习。wǒ men yǐ xiǎo zǔ wèi dān wèi xué xí.We study in groups, with the group as the unit.
- 他以很好的成绩通过了考试。tā yǐ hěn hǎo de chéng jì tōng guò le kǎo shì.He passed the exam with very good grades.
- 这个城市以美丽的公园闻名。zhè ge chéng shì yǐ měi lì de gōng yuán wén míng.This city is famous for its beautiful parks.
义项All meanings
- yǐ: old variant of 以
- yǐ: old variant of 以
- Yǐ: abbr. for Israel 列
- yǐ: to use; by means of; according to; in order to; because of; at (a certain date or place)