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看电影的时候，你必须保持安静。
You keep quiet while watching the film.
youdao
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当你在图书馆时，你必须保持安静。
When you are in a library, you must be quiet.
youdao
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当你在图书馆时，你必须保持安静。
Please keep quiet while others are studying.
youdao
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上课时你必须保持安静。
You must keep quiet in class.
youdao
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你必须保持安静。
You must keep quiet.
youdao
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在整个测试过程中你必须保持安静并且视而不见。
You must stay quiet and out of sight during the test.
youdao
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你在学校图书馆必须保持安静。
You must keep quiet at school library.
youdao
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你看，我说出口了。你必须知道，请保持安静。
There! I said it, and you need to know that…be quiet, please.
youdao
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在图书馆你(1)必须保持安静。
You (1) keep quiet m the library.
youdao
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在图书馆你(1)必须保持安静。
You (1) keep quiet m the library.
youdao