dredge up

He managed to dredge up a smile.

他勉强笑了笑。

She always dredges up that embarrassing story.

她老是翻出件令人尴尬事。

The excavators have dredged up nothing but mud.

发掘出了一些泥。

She was dredging up the little she knew about babies.

她努力忆自己知道关于婴点皮毛。

I don't understand why you had to dredge up this story.

我不明白你为什么要翻出这件旧事。