get behind (insomething)

fall behind (in something) & fall behind (on something) & fall behind (with something) & get behind (insomething) & get behind (on something) & get behind (with something)

to lag behind schedule in some kind of work or some other scheduled activity. •

You are falling behind in your car payments.

•

I tried not to get behind on them.

•

Please don't fall behind with your payments.

•

I won't fall behind again.