دیکشنری آنلاین تحلیلگران ( معنی فارسی closed book )

closed book

IDIOM

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Synonyms & Related Words

closed book
[noun]
Synonyms: mystery, Chinese puzzle, conundrum, enigma, mystification, puzzle, puzzlement, riddle, why

[TahlilGaran] English Synonym Dictionary ▲

English Dictionary

closed book noun [S] INFORMAL
a subject about which you know or understand nothing:

I'm afraid physics will always be a closed book to me.

[TahlilGaran] Advanced Learner's Dictionary ▲

Idioms

closed book
n. A secret; something not known or understood.
The man's early life is a closed book.
For Mary, science is a closed book.
The history of the town is a closed book.

[TahlilGaran] English Idioms Dictionary ▲