lag behind
US /læɡ bɪˈhaɪnd/
UK /læɡ bɪˈhaɪnd/

片語動詞
1.
落後, 滯後
to make slower progress than others
範例:
•
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。
在 Lingoland 學習這個單詞