fell behind

• He always falls behind when we ' re going uphill
  我们登山时他总是落在后面
• At first we were in front of them . then we fell behind
  起先我们在他们前面，后来落后了。
• Any man that falls behind is left behind
  对落了单的人我们是弃之不顾的
• She didn ' t fall behind the others in the study of english
  在英语学习上,她没有落后于别人
• Any man who falls behind is left behind
  对落了单的人我们是弃之不顾的
• I ' m falling behind with my work ; i must try to catch up
  我的工作落后了，我必须要赶上来。
• You ' re allowing them to goof off and fall behind
  是你让他们变得懒惰并且愚蠢从而拖延进度！
• I know what you ' re going to say . we ' re falling behind
  我知道你要说什么，我们已经拉下进度了
• Society is changing and unless we keep up , we will fall behind
  社会正不断转变，不进则退。
• Turn your face to the sun and the shadows fall behind you
  面向太阳,所有阴影自会落在你背后。