His long illness and consequent absence put him far behind in his work.

他因病缺席很久，耽误了很多课程。

He stood his broom behind the door.

他把扫帚立在门。

Remember to latch the gate behind you.

记住出门时把大门闩上。

I trailed on behind, haggard and disheveled.

我堪地落在面，形容憔悴，头发蓬乱。

Carla made fun of him behind his back.

卡拉在他背取笑他。

He hid his feelings behind a gruff abruptness.

他把自己的感情隐藏在生硬鲁莽之中。

He left footprints behind him on the sand.

他把脚印留在了的沙滩上。

Jannie instinctively hid her cigarette behind her back.

詹妮本能地把香烟藏到背。

Macmillan was the driving force behind the plan.

麦克米伦是该计划的幕控制者。

She returned to the swivel chair behind her desk.

她回到桌子面的转椅上。

Someone was pacing back and forth behind the curtain.

有人在幕来去。

There’s a field planted with maize behind the house.

房子面有一块玉米地。

There was a sanctuary of political refugees behind the hospital.

医院面有一个政治难民的避难所 。

She tucked a loose strand of hair behind her ears.

她把一缕散发夹到了耳。

He would creep up behind people and scare the pants off them.

他常会蹑手蹑脚地走到别人，把人吓一大跳。

"Modesty helps one to go forward, whereas conceit makes one lag behind."

"虚心使人进步,骄傲使人落。"

As conceit makes one lag behind,so modesty helps one make progress.

骄傲使人落,谦虚使人进步。

We are lagging far behind our European competitors in using new technology.

我们在使用新技术方面远远落于我们的欧洲对手。

In this field he is facile princeps, and has left all competitors behind.

在这方面，他是出类拔萃的，使其他的竞争者望尘莫及。

They wore gloves so as not to leave any fingerprints behind (them).

他们戴着手套,以免留下指纹。