I was looking forward to a quiet evening at home.

　　我盼著在家過個恬靜的夜晚。

　　I go to the library for a little peace and quiet.

　　我到圖書館去清靜一下。

　　'Be quiet,' said the teacher.

　　“安靜點！”老師說道。

　　Be quiet, I have something to say.

　　安靜，我有話要說。

　　Be quiet or you'll wake the whole house!

　　安靜點，別把全家人都吵醒！