She ran up the stairs two at a time.

她一步两阶地跑上楼梯。

《牛津词典》

As I ran up the stairs, my foot slipped and I fell.

我跑上楼梯时失脚摔倒了。

《牛津词典》

I ran up the stairs and saw Alison lying at the top.

我跑上楼梯，看见艾莉森躺在顶上。

《柯林斯英汉双解大词典》

We drew strength when our firefighters ran up the stairs and risked their lives, so that others might live.

CNN: Kerry: We are here to make America stronger

She ran up the stairs brandishing a scissor blade and a row erupted.

BBC: Angelo Rodrigues stabbing: Neighbours jailed for murder

What actually happened the night of the raid, according to the SEAL Team 6 operator who I interviewed, is that the "point man" ran up the stairs to the top floor and shot bin Laden in the head when he saw what looked like bin Laden poking his head out of his bedroom door.

CNN: Who really killed bin Laden?