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closed book的英文翻譯是什么意思，詞典釋義與在線翻譯：
參考翻譯
- 沒法搞清楚的事〔人〕,已了結的事
英英釋義
Noun:
-
something that baffles understanding and cannot be explained;
"how it got out is a mystery"
"it remains one of nature's secrets"
closed book的用法和樣例：
例句
- Fishing is a closed book to me.
我對釣魚是一竅不通。 - Nuclear physics is a closed book to me.
核物理學是我完全不懂的一門學科。 - Nuclear physics is a closed book to most of us.
我們大多數人對原子核物理學一竅不通。
詞匯搭配
- a closed book 未揭開的秘密,高深莫...
