не давать кому-либо покоя(To be constantly nagging one about something: Ugh, my mom is on my back all the time about my grades, but I just have no interest in the classes I'm taking this semester.КГА)
напускаться на(кого-либо; To be constantly nagging one about something: Ugh, my mom is on my back all the time about my grades, but I just have no interest in the classes I'm taking this semester.КГА)