Narcissists just plain don't care if they're bothering someone, so there's not really anything you can do to make your mother stop.
That's why many people who know a narcissist decide to just get away (this is called "no contact", or NC). By staying away from narcissists, you can guarantee they won't bother you. Some of them try to pester you, etc., for a time, but if you don't give in and talk to them, they eventually give up.
If you Google things like "How to go no contact with a narcissist", you'll find help. There are also good sites for helping you and your sister with your mother, like the Daughters of Narcissistic Mothers site and Light's House, which is for adult children of toxic and difficult parents.
As long as you have contact with her, she's GOING to annoy and upset you. That's because narcissists are always the ones in control, or else. So breaking it off is really the only way to avoid her emotional abuse.
I would finish my homework, but she keeps bothering me. The flies kept bothering the pony. Don't bother you're sister while she's driving.
Bothering you in what way?
Legaly you can file a restrainig order against her in court.
having or showing an excessive interest in or admiration of oneself or one's physical appearance
Put a sign on the door.
Fighting a narcissist is very difficult. You need the help of expert legal counsel.
If it keeps bothering the dog and the dog can reach it you might want to have it removed
You can train your dog to stop bothering his wound
This could be someone who has a Narcissistic Personality Traits.
Take a shower and clean it. If it keeps bothering you, try cream or see your doctor.
Her mother keeps showing her off like she was a trophy. Also, her mother keeps criticizing everything she does.
What is that thing? If a boy is annoying or keeps askiong you something he might like you. If you like him back start flirting. I am an expert on preteen lovers.