英语单词“a closed book”的翻译、意思、用法、释义-英汉词典

单词	a closed book
释义	a closed book1.■完全不懂的学科；尚未揭开的秘密，不为人所知的事，无法理解的事(或人)；高深莫测的事物；谜
随便看	acnode acoasm acock acock horse A cock is bold on his own dunghill. Acoela Acoelea Acoelomata acoelomate acoelomous acoelous acoenesthe sia ACOG,A.C.O.G. a cog in the machine Acol acold a cold day in hell a cold douche acology acolyte A.Com. ACOM Acoma a coming man acompte 因我得礼你，穷源须到底托兴惟泉石，流芳到子孙在易象金柅，奉天验阴静千金购奇书，冥心耽诵读卜邻空遂约，问卦独无征敢望芝兰如谢氏，但亲松菊学渊明既沾差觉易，均被始应全四杰唐遗迹，千年此妥灵白草黄沙没使车，保安城郭望中赊难从王孙裸，未忍夏后堲澹怀堂十月十七日予生日也孤村风雨萧然偶得二绝句夏日江行重阳用去年韵送史纯夫出疆劲兵朱羲远销遗知行军竈