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
- how it got out is a mystery
- it remains one of nature's secrets
双语例句
- 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。 - 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。 - All examinations are closed book and closed notes.
测验中均禁止看书或笔记。 - As far as she is concerned, her marriage is a closed book.
对她来说，她的婚姻已经彻底结束了。 - Slowly he closed the book.
他慢慢合上书。 - The man's early life is a closed book.
那人的早年生活是个不可告人的谜。 - Politics is a closed book to me.
政治对我一窍不通。 - She stopped reading and closed the book.
她停止阅读，合上书。 - 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。 - Nuclear physics is a closed book to me.
核物理学是我完全不懂的一门学科。