There was a long silence before she spoke.

沉默了很长时间她才开口。

《牛津词典》

There was a long silence, and my father looked shamefaced.

沉默持续了很久，而我的父亲看上去面带愧色。

《柯林斯英汉双解大词典》

There was quite a long silence.

沉默持续了很久。

youdao

She finishes, and there is a long silence.

VOA: special.2009.01.18

Let's say that you've gotten into a disagreement and there's a long period of silence.

假设你们意见相左，你们陷入长时间的沉默。

Is there any 课堂 - SpeakingMax英语口语达人

Then there was a long silence.

VOA: special.2009.02.07

One joke, perhaps, and then a long silence while she talks about herself .

NPR: What Every Boy Needs to Know

After a long silence, just when I suspected he had fallen asleep, Taleb spoke again.

NEWYORKER: Naima

There was a long silence while I pondered the request.

FORBES: To Hire or Fire, that is the Question