1·We cannot afford to drop behind our competitors.
我们可担当不起落后于竞争对手的后果。
—— 《牛津词典》
2·Her long illness caused her to drop behind the rest of the class.
她长期生病，所以落后于别的同学。
3·Don't drop behind in your work.
在工作上不要落后。
4·This is also true with those who temporarily drop behind .
这对那些暂时落后的人来说也是适用的。
5·Herr long illness caused her to drop behind the rest of the class.
她长期生病使她落后于班上的其他同学。
6·Ken leaped and raced across a few rooftops, managing to drop behind him.
肯恩跳跃而且比赛横过一些屋顶，设法在他后面降低。
7·Smoking and drop behind during marching were risk factors with OR 1.67 and 1.70 respectively.
应力性骨折的危险因素为吸烟和入伍后跟不上行军速度，OR值分别为1.67和1.70 ；
8·But the theory research of this technique still not opportune, its theory research is drop behind practice.
但是，这种技术的理论研究还不十分成熟，表现为理论研究落后于实践的状况。
9·As it is indicated, the research on social responsibility audit in China now drop behind actual requirement.
然而，已有的文献表明，我国目前对社会责任审计的研究远远落后于实际需求。
10·He shuffled along behind his brothers careful not to drop behind. Not a syllable of complaint escaped his lips.
他慢吞吞地跟在哥哥们的后面，努力不被他们落下，但他一句抱怨的话都没说。