fall behind

1. Put on a spurt, or you'll fall behind.
   加把劲，不然你要落后了。
2. When the revolution is developing rapidly, some people are bound to fall behind.
   在革命急速发展的时候，总不免有人要落伍的。
3. If you don't come to class regularly, you will fall behind in your studies.
   如果你经常不来上课，学习成绩就会落在别人后面。
4. If your payments of rent fall behind, you will be asked to leave.
   如果你不如期交房租，你就会被撵走。
5. One will fall behind the times if one does not acquire new knowledge.
   不及时充电，更新知识，就会落后于时代。
6. They never fall behind by simply standing still.
   他们永远不会因为停滞不前而落后。
7. If you stand still, you'll quickly fall behind.
   如果你停滞不前，你很快就会掉队。
8. You work in a competitive industry. If you dont update your skills, you will fall behind.
   你在竞争的产业里工作，如果你不更新你的技术，就会落后。
9. Our teacher was determined that no one should fall behind this term.
   我们老师下决心这学期不让一个人掉队。
10. Let's begin, otherwise, we will fall behind.
    我们这就开始吧，不然会落后的。
11. A week's illness made her fall behind with her study.
    得了一星期的病，她在学习上落后了。
12. He may fall behind other students when he comes back.
    当他回来时，他可能落在后面了。
13. I suggest you work hard at your lessons, or you'll fall behind.
    我建议你努力学习功课，否则，你就会落后。
14. I am afraid that I will fall behind others in the exam.
    我害怕在考试中落后于其他人。
15. We should keep up with others, or we'll fall behind.
    我们要跟上别人，否则会落后的。
16. I was afraid to fall behind others.
    我怕被别人落下。
17. If you fall behind with the rent, you will be asked to leave.
    如果你拖欠房租，就得请你走。
18. Every time his wife came to visit, he'd fall behind.
    每次他妻子来看他时他就落后了。
19. If you fall behind, you must keep up with the rest of the class.
    如果你落后了，你必须赶上其他同学。
20. His laziness caused him to fall behind others.
    他的懒惰使他落在了别人后面。
21. Until we do that, we will continue to fall behind simply because we are standing still.
    在此之前，我们将继续落后，而这仅仅因为我们什么都没有做。
22. The compression of the programme leaves little fat and no chance to catch up if you fall behind.
    整个项目的压缩，给你留下了很少的空闲时间。如果你落下了，就没有机会再追赶上去了。
23. You'll fall behind in your studies if you keep missing school.
    如果你继续不去上学，你会在学习上落后的。
24. No doubt at some point I'll fall behind.
    毫无疑问，某些方面我会落后。
25. Catch up. Don't fall behind.
    跟上，不要落后了。
26. Times have changed, and we shouldn't fall behind them.
    时代变了，我们不应该落伍。
27. Never fall behind, keep up!
    不要落后，要跟上！
28. To cause to hang back or fall behind.
    落后于使畏缩不前或落后。
29. I am fall behind, and I do not want to fall behind more.
    已经落后了，不想被越落越远。
30. My training is far away fall behind the others.
    我的培训已经远远的落后于兄弟们了。

verb

1. retreat

   Synonym:    fall backlosedrop offrecede

2. hang (back) or fall (behind) in movement, progress, development, etc.

   Synonym:    lagdawdlefall back