Are you a man? If so, were you frightened that she was going to beat you up?
Yes, I'm a man.... no, I certainly didn't have any physical fear, more like fear of rabies!
Years ago, I had a female manager, who I knew to be a brown belt in judo, threaten to beat the crap out of me. She said this half jokingly. I think she was on a power trip and wanted to see if she could intimidate me
My response to her was that I would treat a female martial artist who initiated violence exactly the same as I would treat a man who initiated violence against me -- namely that I would pick up the nearest chair and smash it across her face.
She was somewhat taken aback, and did not threaten me again