Closed book 一无所知

2023-09-05 18:22:58  每日学英语
closed book 一无所知,完全不懂,完全不了解的人

【例句】
Nuclear physics is a closed book to most of us.
我们大多数人对原子核物理学一无所知。

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。

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