Do a/(one's) bit American British informal
to take one’s share in a task
To finish the project on time, everybody will have to do their bit.
Philip: I'm burning out, there are lots to do. Steven: Alright everyone, we all have to do our bit to help out.
If you don't do your bit with the data analysis, our research will never be finished on time.
John: I'll prepare the meat for our BBQ. Laura: Thank you John, Jennie and I will be in charge of the rest: vegetables, fire, drinks,... everyone has to do one’s bit.
The verb "do" should be conjugated according to its tense.
The inexplicable or concealed place or state indicates the afterlife.
I'm very sorry for your dad. He's beyond the veil.