[She's momentarily startled as she turns to look at him, but then she just looks him square in the eye for a long moment, her expression the very image of excuse me, what kind of language was that just now.
...But she's not about to start an argument at a funeral, and when she speaks her tone is serious, but with no hint of hostility.]
I didn't mean to intrude. I'm not familiar with your traditions - may I do it according to my own?