最近几个星期以来，她在党内的地位有所增强。

Her position in the party has strengthened in recent weeks.

《牛津词典》

我要写信赔礼道歉。几个星期以来我都为此而良心不安。

I'll write and apologize. I've had it on my conscience for weeks.

《牛津词典》

但好几个星期以来我一直关注着一个情况。

But I've been noticing something for weeks now.

youdao

For weeks I've been investigating the murders with a certain morbid fascination.

几个星期以来,我一直在研究变态杀人。

哈佛公开课 - 计算机科学课程节选