quiet的副詞形式是什麼

quiet的`例句：

Please be quiet ─ examination in progress.

考試正在進行，請安靜。

Everything in the capital is now quiet.

目前首都的形勢很平靜。

I just need some peace and quiet.

我需要的只是平靜與安寧。

They lead a quiet life.

他們過着平靜的生活。

He went very quiet so I knew he was upset.

他沉默不語了，所以我知道他很煩惱。

All I want is peace and quiet.

我只要和平安寧。