closed book

英 [kləʊzd bʊk]

美 [kloʊzd bʊk]

完全不了解的人; 一无所知的事物; 谜

英英释义

noun

• something that baffles understanding and cannot be explained
  1. how it got out is a mystery
  2. it remains one of nature's secrets
  Synonym:mysteryenigmasecret

双语例句

• He closed the book, marking his page, and placed it on the table beside him.
  他关闭了书，标示他的页，而且放它在他旁边的桌子上。
• As far as I'm concerned the accident is a closed book; I just want to forget it.
  就我而言，这事件已过去了，我只想忘掉它。
• Slowly he closed the book.
  他慢慢合上书。
• The exams will be closed book.
  考试为闭书考试。
• The dense dark jungle, obviously a closed book to an outsider, is an open book to the aboriginals.
  黑暗稠密的丛林，对外来者显然是神秘莫测的，但对土著来说却毫无神秘可言。
• She stopped reading and closed the book.
  她停止阅读，合上书。
• The exams will be closed book unless otherwise indicated.
  如无明确指示，测验将闭卷进行。
• The final is a closed book test, but you may bring a one-page outline to the exam to consult freely.
  虽然期末考试不得翻书，但你可以携带一页的大纲前来应试。
• He closed the book, yawned, and went to bed.
  他合上书，打了个哈欠，然后上床。
• Frank Spriggs was a very able man but something of a closed book
  弗兰克·斯普里格斯是一个很有才干的人，但是有些让人捉摸不透。