He always lags behind the other students.

他总是滞后于其他同学。

The software lags behind in terms of updates.

这个软件在更新方面延迟。

Due to illness, his work progress lags behind.

由于生病，他的工作进度滞后了。

Their technology level lags behind their competitors.

他们的技术水平滞后于竞争对手。

It lags behind other disciplines in collaboration.

在协作方面落后于其他学科。

That the UK lags behind is due to our weak, local government.

英国发展落后是我们软弱的地方政府所导致的。

That the UK lags behind is due to our weak, by international standards, local government.

按照国际标准，英国落后是因为我们的地方政府软弱无力。

If one of us lags behind ,

有人滞后众皆相帮

Our perception lags behind reality.

我们的视觉滞后于现实。

You must look that no one lags behind.

你必须注意不使一个人掉队。