From Longman Dictionary of Contemporary Englishkeep on phrasal verb1 CONTINUE/NOT STOPto continue doing something, or to do something many timeskeep on doing something You just have to keep on trying.2 keep somebody ↔ onKEEP/CONTINUE TO HAVE to continue to employ someone, especially for longer than you had planned If you’re good, they might keep you on after Christmas.3 British English informalTALK TO somebody to talk continuously about something or repeat something many times, in a way that is annoying SYN go on about There’s no need to keep on and on about it! at If I didn’t keep on at the children, they’d never do their homework. → keep→ See Verb table
Examples from the Corpus
keep on• The treadmill is the hardest, but I keep on.• I kept on at the council, but it wasn't easy to get a council flat in those days.• We cannot guarantee that we will be able to keep you on at the end of your contract.• In the world of aviation, aircraft are not kept on by airline or airfreight operators out of sentiment.• Considering the price fetched by presidential autographs, this gift could keep on giving.• Well, something like the churning of the Nile River, which keeps on recreating the fertile farmlands at her delta.• It was less than satisfying; and yet as his due date neared he kept on, sometimes all night.• It seems a lot of these companies want to get rid of the old ones and keep on the young ones.keep on doing something• Considering the price fetched by presidential autographs, this gift could keep on giving.• He kept on telling himself how short the distance.• I kept on at the council, but it wasn't easy to get a council flat in those days.• In the world of aviation, aircraft are not kept on by airline or airfreight operators out of sentiment.• It was less than satisfying; and yet as his due date neared he kept on, sometimes all night.• The treadmill is the hardest, but I keep on.• Well, something like the churning of the Nile River, which keeps on recreating the fertile farmlands at her delta.keep at• It's just a matter of keeping on at her.• He had a bad leg and they kept on at him to hurry up.• Please don't keep on at me.• I kept on at the council, but it wasn't easy to get a council flat in those days.• Only 125 staff will be kept on at the Junction making washing machines.• If I didn't keep on at them, homework would never get done. 6. 