HSK 5 · Function Words
在于 zàiyú “to lie in” in Chinese
Traditional 在於
What 在于 means
- to lie in
- to depend on
- to rest with
- to be due to (a certain attribute)
- (of a matter) to be determined by
More meanings from CC-CEDICT
- to be up to (sb)
How to say 在于
在zài4th tone, falling
于yú2nd tone, rising
在于 in a sentence
How 在于 is built
Each colour is one part of the character. Parts repeat across thousands of characters, so learning them makes new words easier. See all 214 in our radicals chart.

在zàito exist; to be alive
- 才ability · cáiSound part
- 土earth · tǔMeaning part
土 hints at the meaning (earth); 才 (cái) hints at the sound. Compare it with zài.

于yúto go
- 二two · èr
- 亅hook · jué
How to write 在于
在 6 strokes · 于 3 strokes
Watch the order, then press Try writing it and draw each stroke in the grid. Each stroke is checked as you go.

Words related to 在于
Words with 在
在zài · to be at现在xiànzài · now正在zhèngzài · in the process of实在shízài · really存在cúnzài · to exist在乎zàihu · to care about内在nèizài · inner在意zàiyì · to care about
Words with 于
终于zhōngyú · at last关于guānyú · about对于duìyú · regarding由于yóuyú · due to于是yúshì · thereupon位于wèiyú · to be located at善于shànyú · to be good at等于děngyú · to equal属于shǔyú · to be classified as至于zhìyú · as for
More words: Function Words & Grammar
FAQs
在于 (zàiyú) means “to lie in” or “to depend on”. It is an HSK 5 word.
Say it zàiyú: zài with a 4th tone, then yú with a 2nd tone. Press Listen at the top of this page to hear it, or Slowly to hear each tone clearly.
In Traditional characters, used in Taiwan and Hong Kong, 在于 is written 在於. The pronunciation is the same.
Add a Chinese (Simplified) pinyin keyboard to your phone or computer, type zaiyu with no tone marks or spaces, then choose 在于 from the suggestions. Typing zaiyu into this dictionary’s search box finds it too.
在于 is an HSK 5 word in the HSK 2.0 word lists.
Sources: meaning and pinyin checked by a native Mandarin teacher against the official HSK lists. Extra meanings from CC-CEDICT (CC BY-SA 4.0). Example sentences from Tatoeba (CC BY 2.0 FR). Character parts and stroke order from Make Me a Hanzi.