quiet的名詞是啥

But it was a different kind of quietness.

然而，卻是另一種寧靜。

In a living room environment, consumers demand quietness.

在客廳環境中，客户需要安靜。

Behind that quietness his nerves are jangling, he's in a terrible state

表面看上去沉默不語，其實內心非常煩躁不安，他的情況糟透了。

I enjoy the quietness of the country.

我喜愛鄉村的寧靜。

She went on, boasting of her quietness, yet speaking with a kind of contained exaltation.

她滔滔不絕地説着。她自詡很平靜，她的.口氣卻包含着一種強自抑制的興奮情緒。