lag behind

US /læɡ bɪˈhaɪnd/
UK /læɡ bɪˈhaɪnd/
"lag behind" picture
1.

落后, 滞后

to make slower progress than others

:
The company is lagging behind its competitors in innovation.
该公司在创新方面落后于竞争对手。
He always lags behind the rest of the group during hikes.
他在徒步旅行时总是落在团队的后面。