other words for closed book
EXAMPLE SENTENCES FROM THE WEB
To many of the roads, its present attainments both in Europe and in America are still, in large measure, a closed book.
He does not read, and so knows nothing of the inspiration of literature, and the past is to him a closed book.
The girl sat with closed book, looking at his face as he slept.
It may be because I was brought up in a Puritan family, but the whole subject of clutches is a closed book to me.
With the closed book as a writing-pad, he addressed the envelope.
Two things were to her as a closed book: one was foreign languages and the other was music.
We cannot dispute my sister-in-laws wishes; we may therefore regard that subject as a closed book.
To many of you it is a closed book,—to many more Virchow may be thought a spent force.
Nature was to him a closed book, very likely for a purely physical reason.
Spunyarn had failed to catch the "tone," Latin verse was a closed book to him, but he stuck to athletics.