do one's bit

(redirected from do one's part)

do a/(one's) bit

1. To do a small amount of something. In this usage, "a" is used between "do" and "bit." I was only able to do a bit of cleaning before your mother called—that's why the dirty dishes are still on the table.
2. To do one's part in a group activity. In this usage, a noun or pronoun is used between "do" and "bit." If you don't do your bit with the slides, our presentation will never be finished on time.
See also: bit

do one's bit

Also, do one's part. Make an individual contribution to an overall effort. For example, You can always rely on Anne to do her bit, or I'm anxious to do my part as a board member. [Early 1900s]
See also: bit