孩子们终于安静下来，有片刻的宁静。

The children finally settled down, and there was a moment of ___quiet.

漫长的一天后，我珍惜家中的宁静。

After a long day, I cherish the ___quiet of my home.

请在医院走廊保持安静。

Please maintain ___quiet in the hospital corridors.