WordReference English-Chinese Dictionary © 2025:
| 主要翻译 |
| closed book n | figurative ([sb], [sth] hard to know) (比喻) | SCSimplified Chinese 一无所知的人或物 yì wú suǒ zhī de rén huò wù |
| | Whilst he lived, the singer carefully guarded his privacy; his personal life remained a closed book until after his death. |
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查看 "closed book" 的谷歌机器翻译。
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