于
yúYú HSK2

at

于 (於) yú frequency
in preposition
expressing location or time (in, at, on)

他出生于一九九零年。

tā chū​shēng yú yī​jiǔ​jiǔ​líng​nián.

He was born in 1990.

to preposition
indicating a target, direction, or relation (to, toward, vis-à-vis, for)

他忠于自己的职守。

tā zhōng yú zì​jǐ de zhí​shǒu.

He is loyal to his duties.

than verb
used in comparison to indicate degree

质量优于数量。

zhì​liàng yōu yú shù​liàng.

Quality is better than quantity.

by preposition
used in the passive voice to introduce the agent

受制于人。

shòu​zhì yú rén.

To be controlled by others.

于 Yú
Yu proper name
surname Yu

于先生是位著名的科学家。

Yú xiān​sheng shì wèi zhù​míng de kē​xué​jiā.

Mr. Yu is a famous scientist.

于 yú
go proper name
to go to or travel to

王于兴师，修我戈矛。

wáng yú xīng shī, xiū wǒ gē máo.

The King is raising an army; repair my spear and lance.

question particle conjunction
sentence-final interrogative particle

谁之永号？于？

shéi zhī yǒng háo? yú?

Whose long cry is it? Oh?

Cross-References

Has old variant

Frequency
Character
Written text
40th most common 3258.5 per million
Movie subtitles
181st most common 969.9 per million appears in 97% of films
Word
Movie subtitles
260.1 per million appears in 61% of films
Written text
851.5 per million

Details
HSK 2.0
Level 3
HSK 3.0
Level 2
Traditional
於
Strokes
3
Unicode
U+4E8E

Sources
Definitions
CC-CEDICT
Frequency data
MTSU Chinese text computingSUBTLEX-CHBCC Corpus (BLCU)