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English definition of “be/go on at sb”

be/go on at sb

UK
to complain to someone again and again about their behaviour or to ask them to do something: My parents are always on at us about having a baby. She's been on at me to get my hair cut.ComplainingUrging and persuadingCausing somebody to act
(Definition of be/go on at sb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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