The idiom "do one's bit" is believed to have originated in English in the late 19th or early 20th century. The expression refers to the idea of each person contributing their fair share to a collective effort. It is used to describe a situation where someone is fulfilling their responsibilities or obligations in a group or collective effort.

What is the origin of the idiom "do one's bit" and when to use it?

“ do one's bit”的英语定义和含义

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