closed book, a 관용구
closed book, a
closed book, a A secret, mystery, or puzzle, as in
I can't figure her out; she's a closed book to me. This term alludes to information one can't obtain or comprehend (because the book is closed). [Early 1900s]
a bankrupt book
Someone or article that is difficult to apperceive or understand. She's such a clandestine being that I don't absolutely apperceive actual abundant about her. I assumption I affiliated a bankrupt book. I'm a scientist through and through, so art has consistently been a bankrupt book to me.Learn more: book, closedclosed book, a
A secret, mystery, or puzzle, as in I can't amount her out; she's a bankrupt book to me. This appellation alludes to advice one can't access or appreciate (because the book is closed). [Early 1900s] Learn more: closed