知しってか知しらずか

expression, adverb

knowingly or unknowingly; with or without someone's knowledge

Used when it is unclear whether someone is aware of something, often implying that the action or situation occurs regardless of that awareness. Functions adverbially, modifying a verb or clause.

• 彼かれは知しってか知しらずか、私わたしの秘ひ密みつをみんなに話はなしてしまった。

  Whether he knew it or not, he ended up telling everyone my secret.

• 知しってか知しらずか、彼かの女じょは禁きん句くを口くちにした。

  Knowingly or not, she uttered a taboo word.