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

1.
tertinggal, ketinggalan
to fail to keep up with a schedule or progress
:
•
If you don't study regularly, you'll fall behind in your classes.
Jika kamu tidak belajar secara teratur, kamu akan tertinggal dalam pelajaranmu.
•
The company started to fall behind its competitors in innovation.
Perusahaan mulai tertinggal dari pesaingnya dalam inovasi.
2.
terlambat membayar, menunggak
to not pay money that you owe on time
:
•
He started to fall behind on his rent payments.
Dia mulai terlambat membayar sewa.
•
Many small businesses fall behind on their taxes during economic downturns.
Banyak usaha kecil terlambat membayar pajak selama kemerosotan ekonomi.