fall behind
US /fɔːl bɪˈhaɪnd/
UK /fɔːl bɪˈhaɪnd/

短语动词
1.
落后, 掉队
to fail to keep up with a schedule or progress
示例:
•
If you don't study regularly, you'll fall behind in your classes.
如果你不经常学习,你会在课堂上落后。
•
The company started to fall behind its competitors in innovation.
该公司在创新方面开始落后于竞争对手。
2.
拖欠, 逾期未付
to not pay money that you owe on time
示例:
•
He started to fall behind on his rent payments.
他开始拖欠房租。
•
Many small businesses fall behind on their taxes during economic downturns.
许多小企业在经济衰退期间拖欠税款。
在 Lingoland 学习这个单词