pitch in

US /pɪtʃ ɪn/
UK /pɪtʃ ɪn/
"pitch in" picture
1.

turut serta, menyumbang, membantu

to join in and help with an activity or task, especially by contributing money or effort

:
Everyone pitched in to clean up the park after the festival.
Semua orang turut serta membersihkan taman selepas festival.
If we all pitch in, we can finish this project by tomorrow.
Jika kita semua turut serta, kita boleh selesaikan projek ini esok.