您要查找的是不是：
- Got behind in doing this 来不及做了
- The post office got behind in delivering Christmas mail. 邮局在邮递圣诞节邮件这方面太慢了。
- We know you are competent in doing this job. 我们知道你可以胜任这项工作。
- During my illness I got behind in my school work, and now it is difficult to catch up. 在我生病期间我的功课拉下很多，现在很难赶上。
- Our industrial production has got behind in the last three months. 上一季度我们的工业生产掉下来了。
- There is no point in doing this. 没有必要这样做。
- Keep doing your homework so you don't get behind in school. 坚持写你们的家庭作业,这样你们就不会在学习里掉队。
- You can't be too careful in doing this experiment. 在做这个实验时，你们愈仔细愈好。
- What is your purpose in doing this? 你做这件事的目的是什么?
- You are quite wrong in doing this. 你做这件事是不应该的。
- In doing this, avoid memorizing lists of words. 要想如此，就不能去背单词表。
- You haven't gotten behind in your writing. 你又不是不能按时交稿。
- Danny is getting behind in school. 丹尼赶不上课程进度。
- He always gets behind in the race. 赛跑时他总是落在后面。
- You have to call forth all your energy in doing this. 你必须全力以赴做好这件事。
- In doing this, it requires your bona fides and devotion. 做这件事需要你的真诚和投入。
- During his illness he got behind in his school work,but now he has caught up. 他生病期间脱下了功课，但现在已经赶上了。
- I expect I'll succeed in doing this experiment sooner of later. 我想我的这个实验迟早会成功。
- We only made a very slight profit in doing this business. 做这种生意，我们只能得到蝇头微利。
- During my illness I got behind in my school work,and now it is difficult to catch up. 在我生病期间我的功课拉下很多，现在很难赶上。
