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知ったことじゃない

しったことじゃないshittakotojanai

expression

  1. that's not my concern
  2. that's none of my business
  3. that's not on me

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences