get on my case

Reader's Digest、7月号の人生相談コーナー、Ask Auntyにあった文です。
I've been chubby, not fat, all my life. I'm a vegetarian and I think I'm fairly active. But now, at 27, my mum is still getting on my case about my weight.
"getting on my case" は文脈から「干渉する」ことだと推測できますが、どうでしょうか？
・Cambridge Idioms Dictionary: get on somebody's case (informal): to criticize someone in an annoying way for something that they have done: I just don't want him getting on my case for being late for work.
・Dictionary.com: get/be on someone's case, Slang. to bother or nag someone; meddle in someone's affairs: Her brother is always on her case about getting married. Why do you keep getting on my case?
・Wiktionary: To lecture, berate, or complain to somebody, especially to find fault or criticize.
His boss was always getting on his case about his standards of dress, even though he worked well and seldom left the back room.
"getting on my case" の正反対の "getting off my case" と言う表現もある事が分かりました。 (Dictionary.com)to stop bothering or criticizing someone or interfering in someone's affairs: I've had enough of your advice, so just get off my case.