closed book

意思翻译 n.已结束的计划和行动等；一无所知的东西 相似词语短语 a closed book───未揭开的秘密；高深莫测的事物；谜，未揭开的秘密，高深莫测的事物 closed───adj.关着的；不公开的；v.关；结束；接近（close的过去分词） contact closed───接点闭合 draw closed───靠拢 closed ended───有底的 commissaries closed───小卖部关门了 steelyard closed───秤已关闭 blinds...