She often finds herself pacing back and forth when she's nervous.

她发现自己在紧张的时候常会来回踱步。

Mark was still pacing like a caged animal.

马克仍在像笼中的困兽一样踱来踱去。

She was pacing up and down in front of her desk.

她在办公桌前踱来踱去。

He found John pacing around the house, unable to sleep.

他发现约翰正在房子里四下踱步，无法入眠。

I found him in the corridor nervously pacing up and down.

我发现他在走廊里焦虑不安地走来走去。

The old man, still pacing back and forth, ceased to speak aloud, and began to mutter.

老人仍在来回踱步，不再大声说话，开始喃喃自语起来。