LingakuFrequency rank: 31,058. – 31,341. (for form 知ったことではない: 16,866. – 16,938.)
Also知ったことではない【しったことではない】しったことではない
- to be of no concern to one; to be nothing to do with one
expressions (phrases, clauses, etc.); adjective (keiyoushi)
Generated: This phrase is used to express that something does not involve the speaker or is irrelevant to them. It often conveys a sense of indifference or lack of responsibility regarding a situation.