sweep under the rug

The company tried to sweep the data breach under the rug, but it leaked to the press.公司试图掩盖数据泄露事件，但消息还是泄露给了媒体。

You can't sweep problems under the rug forever—they always resurface at the worst possible moment.你不可能永远把问题掩盖下去——它们总会在最糟糕的时刻再次出现。