lag behind

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

落後, 滯後

to make slower progress than others

:
The company is lagging behind its competitors in innovation.
該公司在創新方面落後於競爭對手。
He always lags behind the rest of the group during hikes.
他在徒步旅行時總是落在團隊的後面。