I spent several hours pacing around uselessly.我有几个钟头在徒劳地走来走去。

We spent the time pacing around and sitting with our heads in our hands.在此期间, 我们或是不安地踱来踱去, 或是以手掩面坐着。

Ritter paced around his office until they arrived.在他们到来前, 里特在办公室里一直踱来踱去。