名词
中文翻译：秘密
同义词：
['secret', 'confidential', 'top secret']
例句：
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1.The government has kept the details of the new policy a secretin.
政府对新政策的详情守口如瓶。
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2.She was instructed to keep all her secretsin.
她被告知要保守所有的秘密。
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3.They kept their plans secretin until the final moment.
他们直到最后一刻才把计划保密。