From Longman Dictionary of Contemporary Englishbe/go/keep on at somebodybe/go/keep on at somebodyinformalASK FOR something/ASK somebody TO DO something to keep complaining to someone or asking someone to do something, especially when this annoys themI’ve been on at him to fix that cupboard for weeks now.I wish you wouldn’t go on at me the whole time! →on
Examples from the Corpus
be/go/keep on at somebody• He had a bad leg and they kept on at him to hurry up.• You used to go on at me about getting out.• But what's going on at No. 4 and No. 8 are freerides, nothing less.• Something must be going on at school.• There was some spittinggoing on at the end of the game.• A strike has been going on at the mine for over three months and the nine who died were all non-union men.• Funnystuffgoing on at the Olympics.• I must say I was not totally happy about her going on at Yeo Davis, with me in the government.