| 例句 |
We started to fall behind with the rent.我们开始拖欠房租。We can't afford to fall behind our competitors.我们可不能落后于我们的竞争者。He hung with the leaders for the first half of the race, but then he began to fall behind.他在比赛的前半段还能跟上领跑的选手们，但后来就开始落后了。He didn't want to fall behind in his studies.他不想在学习上落后于别人。 |