Motion may go forward or backward or even in circles . 运动可以向前，也可以退后，甚至可以兜圈子。
3.
A thick deposit of mud lay on the fields when the flood went down . 洪水退后，田野上留下一层厚泥。
4.
"let me go into some other room," said the boy, retreating still further . “让我到另一间屋子里去，”少年说时又退后几步。
5.
He, drawing a knife from his rags, squatted back and grinned at me like a wild-cat . 他霍地从他的破衣服里抽出一把小刀，退后一步，蹲在地上，象只野猫似的对着我狞笑。
6.
"at all events," he added, drawing back to look at her, "it was a fever with very attractive results. " “不过，”他退后一步端祥着她，又说，“这场烧发得倒也不坏。”
7.
Here and there they should clamber over wave-wet rock, leaping across clear pools that the tide had left . 他们要不时地爬过被海浪打湿的岩石，跳过海水退后留下的清澈的小水潭。
8.
Bitzer picked up his cap, which the concussion had knocked off, and backing, and knuckling his forehead, pleased that it was an accident . 毕仄捡起了他那顶被撞下来的帽子，退后一步，用指节摸了一下头，庆幸这是出于无意。
9.
Simmons : sir , i am asking , politely . back off 先生，我可是，礼貌地要求。退后。
10.
Hey , back off . garfield ? what are you doing here 嘿,退后,加菲?你在这里干什么
