The point of view that is revealed is that she is scared and is assuming that the minister's family is not going to like their christmas dinner and the way that their family act.
The narrator believes that Robert will think badly of the narrator's Christmas.
Explanation:
They think this because he is white, while they are Chinese. Instead of the typical "Christmas dinner", the narrator's family cooks Chinese. They are insecure about their family members because they don't have a very good understanding of American manners.
