In this scene from "Twilight," the protagonist experiences a moment of intense fear and discomfort when she looks at a character who is glaring at her. His dark eyes are filled with disdain, which makes her feel vulnerable and intimidated. This interaction creates a palpable tension, highlighting the emotional conflict between the characters.

The phrase "if looks could kill" suggests that the gaze from this character is not just a simple glare but carries a powerful, menacing weight. The protagonist instinctively shrinks away, indicating her reaction to the hostility she perceives, which emphasizes the dramatic dynamics in their relationship and sets the stage for further developments in the story.