语音讲解：
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　　定义：said of an important matter kept very secret by an exclusive few.

　　一件重要的事件仅为少数几人所知，并保守秘密。

　　例句：

　　They managed to keep the scandal very hush but then a newspaper reporter found out about it.

　　他们试图为这件丑闻保密，但后来被一位新闻记者发现了。