I stood there blankly, not knowing what to do.

我茫然地站在那里，不知道该怎么办。

youdao

I stood there quietly, watching her playing on such a crowded New York square.

我静静地站在那里，看着她在很拥挤的纽约广场上弹琴。

youdao

I stood there dumbfounded.

我目瞪口呆的站在那儿。

《柯林斯英汉双解大词典》

I could see a thousand stars. As I stood there I turned my eyes to a large red star.

VOA: special.2010.07.10

Deep into that darkness peering, long I stood there wondering, fearing,Doubting, dreaming dreams no mortal ever dared to dream before;

VOA: special.2010.10.31

He hears a noise at the window: Deep into the darkness peering, long I stood there wondering,fearing,Doubting, dreaming dreams no mortals ever dared to dream before;

VOA: special.2009.02.02

He went on in this way while I stood there with my back turned.

NEWYORKER: Hand on the Shoulder

When it finally arrived, I stood there silent for about a minute, so satisfied at what was on display.

BBC: Meet July��s BBC Travel Photo Nomad

Excerpt: I stood there for a long time, thought and dreamed.

FORBES: Fact and Comment