get behind
US /ɡet bɪˈhaɪnd/
UK /ɡet bɪˈhaɪnd/

片語動詞
1.
落後, 拖延
to fail to make enough progress or to be late with something
範例:
•
I've got behind with my work.
我的工作落後了。
•
If you miss a few classes, you'll soon get behind.
如果你缺了幾節課,你很快就會落後。
在 Lingoland 學習這個單詞