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- I have fall behind in my work since last week. 从上周起，我在工作中落后了。
- Don't fall behind with your rent. 不要拖欠房租。
- Hanging back or falling behind; dilatory. 畏缩不前的或落后的; 迟误拖拉的
- 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。
- The major world powers are afraid of falling behind in the arms race. 世界各大强国均惟恐在军备竞赛中落後。
- He always falls behind when we're going uphill. 我们登山时他总是落在后面。
- Soon he fell behind in the race. 不久他就跑在后头了。
- Again we fell behind with our rent [payments]. 我们租子[款子]又交不上拖欠下来了。
- To slacken the tempo would mean falling behind. 放松步伐就意味着落后。
- The boy fell behind his compeers in the race. 在比赛中,这小男孩落到了他同伴的後面。
- We can't afford to fall behind our competitors. 我们可不能落后于我们的竞争者。
- I've fallen behind with my correspondence. 我积压了许多信没回。
- George always falls behind his schedule. 乔治老是不能按时完成计划。
- Hurry up! You're falling behind(the others). 快点！你们落在其他人后面了。
- Hanging back or falling behind;dilatory. 畏缩不前的或落后的；迟误拖拉的
- He is falling behind all the top players. 他落后于所有的一流选手。
- He is afraid of falling behind the others. 他怕落在别人的后面
- She is afraid of falling behind the others. 她怕落在别人的后面。
- Hurry up! You're falling behind (the others). 快点！你们落在其他人后面了。
- Machine: You are falling behind, come on slow poke. 跑步机：你跑的慢了，快一点，迟钝的人。
