My brother went in front and I walked behind.

弟弟在前面走，我在他后面跟着。

I’ve got behind with my homework.

我的家庭作业落下了。

They are three weeks behind with the rent.

他们已经拖欠了3个星期的房租。

Close the door of fear behind you, and you will see the door of faith open before you.

把恐惧之门关在你的身后，你将会看见信念之门在你面前打开。

We’re always behind you.

我们永远支持你。

behind the times

落后于时代

Japan is behind the United States in e-business.

在电子商务方面日本不如美国。

New York is 12 hours behind Beijing.

纽约时间比北京晚12个小时。