她站起身，开始来回踱步。She stood up and began to pace to and fro.他发现约翰在公寓里来回踱步，无法入睡。He found John pacing around the flat, unable to sleep.他来回踱步。He paced back and forth....

“踱步”的英语可以翻译为：pace，stroll ...

“踱步于”的英语可以翻译为：pace ...