keep on at (one)

keep on at (one)

To continue to remind, encourage, or nag one (about or to do something). The doctor always keeps on at me to improve my diet. 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.
See also: keep, on

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