youdao

The lantern was far ahead, and he could not help lagging behind a little in the darkness.

灯笼在前面很远的地方，他不得不在黑暗中落在后面一点。

youdao

You will not be lagging behind if you work harder.

你得努点儿力，才不会掉队。

《新英汉大辞典》

Arkansas,Florida and Texas schools, on the other hand, are lagging behind in giving their students a solid science foundation.

VOA: standard.2009.11.25

But the United States, which is the largest provider, "is lagging a little bit behind the curve of good practice in food aid."

VOA: standard.2010.04.29

Polls show that the main opposition Social Democratic Union party's candidate, Ljubomir Frckoski,is lagging far behind.

VOA: standard.2009.03.22

Science is leaping forward, yet the use of this data in medical decision-making is lagging behind.

FORBES: Genetic Testing, Electric Cars, and Powerful Intermediaries

Finally, even money managers who can beat the market may leave clients lagging behind the market.

WSJ: Intelligent Investor: Don't Bet the House on Efficient-Market Model

It is also concerned that some trusts were lagging behind in their preparations for the change.

BBC: Doctors talking