英语短语词组词汇closed book的音标、释义、翻译、用法及例句-英语短语词组词典-老街网

短语	closed book
释义	closed book a subject or person about which one knows nothing 完全理解不了的科目; 完全理解不了的人： accounting has always been a closed book to me. 会计学对我来说一直是一门完全理解不了的科目。
随便看	nip in the bud nip into nip off nip on ahead nip out nipped nipped-in nipper nippering nippier Nippies nippiest nippily nippiness nipping nippingly nippings nipple nipple count nippled nippleless nipples nipplewort nippleworts Nippon

老街网英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。