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

• If the court rejects the deal, much potentially useful information will remain, quite literally, a closed book.
  如果法院拒绝了这份协议，那么确切的说那么多有用的知识仍然只是一本合着的书而已。
• Nuclear physics is a closed book to me.
  核物理学是我完全不懂的一门学科。
• 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。
• Slowly he closed the book.
  他慢慢合上书。
• 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。
• The exams will be closed book unless otherwise indicated.
  如无明确指示，测验将闭卷进行。
• Nuclear physics is a closed book to most of us.
  我们大多数人对原子核物理学一窍不通。
• When he finished, the author blew gently to dry the ink, then methodically closed the book and tied it securely with a red satin ribbon.
  当作者写完故事，他轻轻地吹干字中的墨迹，接着有条不紊地合上书，在书上牢牢地系上了一条红色的绸缎带。
• The exams will be closed book.
  考试为闭书考试。
• Mathematics was a closed book to me all through school.
  在整个求学期间，我对数学一窍不通。