fall behind

• Britain has fallen behind japan in shipbuilding
  在造船方面英国已落在日本后头了。
• Again we fell behind with our rent [ payments ]
  我们租子[款子]又交不上拖欠下来了。
• I have fall behind in my work since last week
  从上周起，我在工作中落后了。
• He always falls behind when we are going uphill
  当我们上山时，他总是落后。
• He always falls behind when we ' re going uphill
  我们登山时他总是落在后面。
• " you can swim , then , and not fall behind ?
  "你还能游，而且能跟得上我们？
• Don ' t fall behind with the rent , or you ' ll be evicted
  不要逾期不缴房租,否则会被逐出
• Work hard , or you ' ll fall behind your classmates
  努力学习，否则你会落到同学们的后面。
• Hanging back or falling behind ; dilatory
  畏缩不前的或落后的；迟误拖拉的
• France has fallen behind ( germany ) in coal production
  法国在产煤方面落后（于德国）了