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。

The sun gradually set behind the mountains.

太阳逐渐落到了山后面。

I feel guilty about going behind his back and complaining to the boss.

着他老板抱怨，我觉得很愧疚。

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

在这一特定领域里她是出类拔萃, 并使所有竞争者都落后于她。

Brooks was abreast of the leading runner for a few minutes but then fell behind.

布赶上领先赛跑运动员好几分钟, 可是后来落后了。

A crescent moon peeped out from behind the clouds.

一弯新月从云中出现。

I was riding Kevin's wife's bike.She took up the pillion seat behind Kev.

我驾驶是凯文妻子摩托车，她则坐在凯文后座上。

He keeps horses in a paddock behind his house.

他把马养在屋后小围场里。

There were sharp pains pulsing behind his eyeballs.

他眼球后面有阵阵剧痛。

The soldiers were ordered to retreat to safer positions behind the lines.

士兵们奉命撤退到后方较为安全阵地上去。

Rufus grabbed him from behind to duck him under the surface.

弗从后面抓住他将他按到水中。

A glance behind confirmed his fears. His pursuer was gaining ground on him rapidly.

往后看使他越发害怕,追他人很快就要赶上来了。

There was a sanctuary of political refugees behind the hospital.

医院后面有一个政治难民避难所 。

Several of the runners fell behind in the race.

有几个赛跑者在比赛中落在后面了。

You must look that no one lags behind.

你必须注意不使一个人掉队。

If your payments of rent lag behind, you will be asked to leave.

如果你不如期交房租, 你就会被赶走。

Why does she always lag behind others when we're out for a walk?

为什么外出散步时, 她总落在后面?

The elder people and children always lag behind when we go for a walk.

"我们出门散步时,年纪大人和孩子们总是落在后头。"

Britain's economic development must lag behind that of almost every other industrial nation.

英国经济发展肯定落后于几乎所有其他工业国。

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

"虚心使人进步,骄傲使人落后。"