他在房间里悄悄地走来走去，不知道自己在找什么，甚至不知道自己为什么在那里。
He prowled around the room, not sure what he was looking for or even why he was there.
塞塞曼先生已经站了起来，在房间里走来走去，就像他在有什么事情占据了他的思想时经常做的那样。
Mr. Sesemann had gotten up and was walking round the room, as he always did when something occupied his thoughts.
等声音停止了，我听见他在楼下走来走去，不知道在做些什么。
When it stopped, I heard him moving around downstairs and wondered what he was doing.
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