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.

《柯林斯英汉双解大词典》

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.

《柯林斯英汉双解大词典》