I'm breaking my neck at two jobs so i don't fall behind in my bills . 为了不至于欠账，现在我奔命于两份差事。
We would not neglect our defenses; we would not risk falling behind . 我们并不忽视我们的防务，也不会冒落后的风险。
I don't want you falling behind or your father will be upset with me . 你不要落下功课，落下功课你爸爸该生我的气了。
When the revolution is developing rapidly , some people are bound to fall behind . 在革命急速发展的时候，总不免有人要落伍的。
Study is like sailing against the current ; either you keep forging ahead or you keep falling behind . 学如逆水行舟，不进则退。
The girls fell behind their aunt and peeped out at the stranger from among the castor beans . 女孩们躲在姑姑的身后边，从蓖麻丛中探出头来窥视那个陌生人。
They crossed the river by a ferry, and rode long time in silence, while the twilight slowly fell behind the aspens . 他们乘一只摆渡船过了河，默不作声地骑了一大段路，那时候，暮色慢慢地落在白杨树的后面了。
If you are not moving ahead , you are falling behind 如果您向前不搬走,您落后。
Several of the runners fell behind in the race 有几个赛跑者在比赛中落在后面了。
He runs so slowly that he falls behind the others 天如此的冷以至于我穿上了外套。
