He started to fall behind in his coursework when he got sick
If you fall behind on your payments, they will cut off your service
The runner began to fall behind the leaders in the final lap
I was afraid I would fall behind the group on the hike
She always tries her best not to fall behind at work
Hey, how's that project coming along? I haven't seen an update in a while.
Ugh, it's a bit of a mess, to be honest. I'm starting to **fall behind** on the deadlines.
That's tough! What's the biggest obstacle preventing you from catching up, and how can I help you brainstorm some solutions?
If you don't study regularly, you will fall behind in your classes
If you don't study regularly, you will struggle to keep up in your classes
Neglecting your studies will cause you to lag in your classes