| 单词 | closed book |
| 释义 | closed bookSEE SYNONYMS FOR closed book ON THESAURUS.COM nounsomething that is not known or cannot be understood; a mystery or puzzle: Abstract art is a closed book as far as I'm concerned. Origin of closed bookFirst recorded in 1910–15 Words nearby closed bookclose company, close corporation, close-cropped, closed, closed anesthesia, closed book, closed-captioned, closed chain, closed chain compound, closed chest massage, closed circuit Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for closed bookclosed book nounsomething deemed unknown or incapable of being understood a matter that has been finally concluded and admits of no further consideration Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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