Sub-Saharan Africa is tending to fall behind other regions in terms of competitiveness.(就竞争力来讲，撒哈拉以南的非洲正逐渐落后于其他地区。)
More typically, payments went from being regular to being erratic: borrowers fell behind, then became current again, only to fall behind once more.(更典型的是，贷款偿付会从有规有律变得飘忽不定：贷款者延期支付，之后又当期付清，但只会再次延期。)
Make sure to keep up when moving across town with another person or a group. Don't fall behind, and don't get separated.(与别人或队伍一起过街时，注意要跟上，不要掉队，不要落单。)
You will fall behind. As a designer, you need to forecast and think about how things will be in a year from now.(作为一个设计师，你需要预测并思考在下一年事情将发生怎样的变化。)
Modesty helps one go forward while pride makes one fall behind.(谦虚使人前进，骄傲让人落后。)
Often we waste our time through frivolous activities, and the poor management of our business makes us fall behind even without our noticing.(我们经常会把时间浪费在一些琐碎的事情上，在不知不觉中对事业的疏于管理使得我们落后于人。)
If you stand still, you'll quickly fall behind.(如果你停滞不前，你很快就会掉队。)
Many people who fall behind on their mortgages never catch up. In these markets, the problem is especially bad.(越来越多的人已无力面对债台高筑的情况。在房地产市场，这一问题尤其严重。)
No doubt at some point I'll fall behind.(毫无疑问，某些方面我会落后。)
Educators and psychologists have long feared that children entering school with behavior problems were doomed to fall behind in the upper grades.(一些教育家和心理学家一直都为有行为缺陷问题的儿童入学后注定随着年纪的增长学习成绩会逐渐落后倍感忧虑。)
