Read the excerpt from hamlet, act i, scene i.

marcellus: is it not like the king? horatio: as thou art to thyself: such was the very armour he had on when he the ambitious norway combated; so frown’d he once, when, in an angry parle, he smote the sledded polacks on the ice. ’tis strange. marcellus: thus twice before, and jump at this dead hour, with martial stalk hath he gone by our watch. horatio: in what particular thought to work i know not; but in the gross and scope of my opinion, this bodes some strange eruption to our state.

what do marcellus’s and horatio’s characterization of the ghost imply?