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    Chinese Grammar

    Using 于 (yú) as a preposition meaning "in," "at," or "on"

    Location & Position
    Time Expressions

    Structure

    Verb + 于 + Location/Time

    Explanation

    The preposition 于 (yú) means "in," "at," "on," or "from" and is used in formal or written Chinese to indicate location, time, or scope. It often follows verbs to connect an action with a place or time. For example, 存在于小行星上 means "exists on an asteroid."

    Examples

    • 她毕业于北京大学。

      Tā bìyè yú Běijīng Dàxué.

      She graduated from Peking University.

    • 这座桥建于一百年前。

      Zhè zuò qiáo jiàn yú yì bǎi nián qián.

      This bridge was built a hundred years ago.

    • 该公司成立于2010年。

      Gāi gōngsī chénglì yú èr líng yī líng nián.

      The company was established in 2010.

    Using 于 (yú) as a preposition meaning "in," "at," or "on" | Chinese Grammar