What does don cicci sya when vito stabbs him?

In "The Godfather," when Vito Corleone stabs Don Ciccio, Don Ciccio gasps and says, "You think you can kill me? You think you can kill me?" This moment underscores the tension and the power dynamics between them, revealing Ciccio's disbelief and desperation in the face of his impending demise. It encapsulates the themes of vengeance and the struggle for power that are central to the story.