不ふ知ち不ふ識しき

noun, noun which may take the genitive case particle 'no'

unaware of one's own actions; acting without realizing

A rare yojijukugo meaning to do something unconsciously or without awareness. Used in literary or formal contexts.

• 彼かれは不ふ知ち不ふ識しきのうちに、大たい切せつな書しょ類るいを捨すててしまった。

  He threw away the important documents without realizing it.