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- Be modest, otherwise you will lag behind. 要谦虚，否则就要落后。
- The children always lag behind when we go for a walk. 我们出去散步时，孩子们总是落在后面。
- If your payments of rent lag behind, you will be asked to leave. 你要是不能按时付房租，就要请你搬家。
- They do not like to be lagging behind the others. 他们不愿意落在人后。
- Why was she lagging behind in the preliminaries? 她预赛中为什么会落后?
- You'll lag behind unless you study harder. 你如不更加努力地学习就要掉队。
- Let not a single classmate lag behind. 不要让一个同学掉队。
- We still lag behind in this respect. 在这方面，我们还比较落后。
- Production has been lagging behind recently. 最近，生产一直在下降。
- The older men were lagging behind in the race. 比赛中年纪较大的落在后面。
- We should also help those lagging behind. 我们还应当帮助后进的同志。
- Business is lagging behind in that sector. 那个部门的业务严重落后。
- Production has been lagging behind recently . 最近，生产一直在下降。
- Progress while others are lagging behind. 当别人落后时你进步。
- It often happens that thinking lags behind reality. 思想落后于现实的事是常有的。
- This city's service industry is lagging behind. 这个城市的服务业发展滞后。
- Dan: Then I guess that I'm lagging behind! 那我想我的进度落后了！
- Production is lagging behind last year's total. 今年的总产量落后于去年。
- They do not like to lag behind the others. 他们不愿意落在人后。
- To fail to keep up a pace; lag behind. 落后跟不上步伐；落后
