动词短语
中文翻译：把某事紧紧地握在手中
同义词：
['keep', 'conceal', 'keep secret']
例句：
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1.She held her cards close to her chest and didn't say anything.
她把牌紧紧握在胸前，什么也没说。
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2.The company kept its secrets close to its chest and never revealed them.
这家公司把秘密紧紧地握在胸前，从未透露过。
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3.He kept his secret well and no one knew about it.
他很好地保守了他的秘密，没有人知道。