英语词汇“a closed book”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	a closed book
释义	a closed book noun : a person or thing that is difficult to understand Even to his closest friends, he was always something of a closed book.
随便看	larder larder beetle larderellite larderer larderers larders lardier lardiest lardiner larding larding needle larding with Lardizabalaceae lardizabalaceaes lardizabalaceous lardizabalae lardizabalas Lardner lardon lardons lardoon lardoons lardry lards lards with

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a closed book