pitch in
Intermediate (B1)informal
To start helping with something, especially with a group of people.
"If everyone pitches in, we can have the hall decorated before the guests arrive."
Hear it in context

Carrie S1E1 Full Episode "First Period" | Prime Video
Prime Video · 45:44
Everyone pitch in.

Kimberly's final cheers on "Economics on Tap" | Economics on Tap | Make Me Smart Livestream
Marketplace APM · 47:36
I'd pitch in.

Everybody Loves the Barones: Part 2 | Everybody Loves Raymond
Everybody Loves Raymond · 34:13
We just wanted to pitch in.

Leslie Knope moments we LOVE to binge | Parks and Recreation
Parks and Recreation · 33:54
So, everybody needs to pitch in like $90.

HISTORIC RUN TOTAL 😳 Cincinnati Reds vs. Pittsburgh Pirates | Full Game Highlights | ESPN MLB
ESPN MLB · 6:44
ONE pitch in to our seventh inning when