于

於
yú
#40 most
frequent character
(preposition)
preposition

Character breakdown

Source: Make Me a Hanzi.

于 is a picture of a wind instrument, which was its first meaning. The meaning 'at' was borrowed for its sound.

Drawn as: wind instrument

于 as a component in other characters

sound11 characters
宇吁迂盂芋圩竽纡盱邘玗

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Example Sentences

我于昨天完成了我的作业。
wǒ yú zuótiān wánchéng le wǒde zuòyè 。
I completed my homework yesterday.
这是一个于我十分重要的决定。
zhè shì yígè yú wǒ shífēn zhòngyào de juédìng 。
This is a decision that is very important to me.
我们于明天见面。
wǒmen yú míngtiān jiànmiàn 。
We will meet tomorrow.

Grammar Points

HSK 4
Expressing "and then" with "yushi"
HSK 4
Expressing "due to…" with "youyu"
HSK 4
Comparing "guanyu" and "duiyu"
HSK 5
Expressing "with regards to" with "zhiyu"

Same Characters, Different Readings

于Yu2
surname Yu
于yú
(preposition)

Homophones

HSK 2
鱼yú
fish
愉yú
pleased
予yú
(archaic) I, me
余yú
extra, surplus, remaining

Words Starting With 于

于是yú shì
thereupon; as a result; consequently; thus; hence

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