由来已久 (yóu lái yǐ jiǔ) — to be of long standing, to have existed for a long time

Definition

A four-character idiom meaning something has existed for a long time. Refers to the origin of a custom, tradition, or situation that goes far back in time.

idiom
to be of long standingto have existed for a long time

Examples

  • 由来已久
    Zhè zhǒng chuán tǒng yóu lái yǐ jiǔ.
    This tradition has existed for a long time.
  • 由来已久
    Liǎng guó de yǒu hǎo guān xì yóu lái yǐ jiǔ, bù róng yì gǎi biàn.
    The friendly relations between the two countries are long-standing and not easily changed.
  • 由来已久
    Zhè ge chuán shuō yóu lái yǐ jiǔ, dàn zhī dào de rén bìng bù duō.
    This legend has been around for a long time, but not many people know about it.

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