しらずしらず
unconsciously; without knowing it; unwittingly; unawares
Common word Also written 知らず識らず、不知不識、不識不知
Adverb
おそらく知しらず知しらずのうちに遺伝子組いでんしくみ換かえの果物くだものや野菜やさいをいつも口くちにしているだろう。
You probably eat genetically modified fruits and vegetables all the time without knowing it.