We cannot afford to drop behind our competitors.

我们可担当不起落后于竞争对手的后果。

《牛津词典》

Her long illness caused her to drop behind the rest of the class.

她长期生病，所以落后于别的同学。

youdao

Don't drop behind in your work.

在工作上不要落后。

youdao

After dinner I sit behind the motel by myself, watching the sun drop behind the bluffs.

BBC: Missing pieces in Utah

The top 10% of English secondary pupils also drop behind those in Australia, Scotland Slovenia and Norway, analysis of international test scores indicates.

BBC: Top maths pupils 'fail to keep up with world's best'

But even if you already have a network drop behind your TV you'll be happy to hear that the new line also offers PoE.

ENGADGET: New WiFi IR emitters from Global Cache? get us excited about home automation