be left behind
US /biː lɛft bɪˈhaɪnd/
UK /biː lɛft bɪˈhaɪnd/
片語動詞
1.
掉隊, 被留下
to not take someone or something with you when you leave
範例:
•
Don't be left behind when we leave for the trip.
我們出發旅行時，不要掉隊。
•
The bus left and I was left behind at the station.
巴士開走了，我被留在了車站。
2.
落後, 掉隊
to fail to make progress at the same rate as others
範例:
•
If you don't study, you'll be left behind in class.
如果你不學習，你就會在課堂上落後。
•
Many small businesses are being left behind by rapid technological changes.
許多小企業在快速的技術變革中落後了。