He doubled back by another road and surprised us. 他從另一條路折了回來(lái)，嚇了我們一跳。
He ran down towards the main road, stopped short when he saw the police car and doubled back up the alley. 他朝大路跑去，見(jiàn)到警車(chē)時(shí)立即停了下來(lái)，然后折身轉回胡同里去了。
He started running towards the street but suddenly doubled back to his room. 他開(kāi)始往街上跑，但突然又折回自己的房間。
The fugitive doubled back to confound the pursuers. 逃亡者用曲折迂回的辦法來(lái)迷惑追蹤者
