暗くらがりから牛うしを引ひき出だす

expression, godan verb (-su)

be unable to tell things apart; fumble in the dark

Idiomatic expression literally meaning 'to lead a cow out of the dark', used to describe a situation where one cannot distinguish between things or is acting blindly. Rare and literary.

• 暗くらがりから牛うしを引ひき出だすようなもので、どれが本ほん物ものかさっぱりわからない。

  It's like trying to lead a cow out of the dark; I have no idea which one is genuine.