私し憤ふん

noun

personal grudge; private resentment

Refers to resentment or anger arising from personal, private matters, as opposed to public or official indignation.

• 彼かれの批ひ判はんは私し憤ふんによるものだ。

  His criticism stems from a personal grudge.

• 私し憤ふんを公こう務むに持もち込こんではいけない。

  You must not bring personal resentment into public duties.