有緣無分

有缘无分
yǒuyuánfèn
destined to meet but not fated to be together (idiom)

CEDICT

  1. (of two people) to be destined to meet, but not fated to be together; not meant to be together; (in general) to be not destined for each other
  2. to be destined to meet, but not fated to be together; not meant to be together; (in general) to be not destined for each other

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