keep on at (one)

keep on at (one)

To nag one about something. The doctor always keeps on at me about eating better. Ugh, my mom keeps on at me all the time about my grades, but I just have no interest in the classes I'm taking this semester.
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keep (going) on at someone or something

to continue to complain about or scold someone or a group. Don't keep going on at him. Give him the dickens and be done with it. Please don't keep on at the committee. They did the best they could.
See also: keep, on