get behind

US /ɡet bɪˈhaɪnd/
UK /ɡet bɪˈhaɪnd/
"get behind" picture
1.

to fail to make enough progress or to be late with something

:
•
I've got behind with my work.
•
If you miss a few classes, you'll soon get behind.
:
fall behindlag behindbe latebe overduebe behind schedule
2.

to support someone or something

:
•
The whole team got behind the new coach.
•
We need to get behind this initiative to make it a success.
:
supportbackendorsechampionpromote
:
behindstay behindlag behindlie behindfall behindleave behindbehind the curve