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
- 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。 - Nuclear physics is a closed book to me.
核物理学是我完全不懂的一门学科。 - 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。 - Philosophy is a closed book to me.
我对哲学一窍不通。 - All examinations are closed book and closed notes.
测验中均禁止看书或笔记。 - 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。 - For me, geology is a closed book.
对我来说地质学是一门我完全不懂的学科。