Ḥirāṣan is connected with ḥarīṣ, “eager” or “intensely desirous.” With ʿalayya, it expresses fierce hostility directed toward the narrator, not a positive kind of eagerness.
Law introduces a hypothetical or unrealized possibility. The speaker intensifies the enemy’s intention, but he does not report that the threat succeeded. Maqtalī denotes his killing, with the possessive suffix tying the danger to himself.
The source also records variant readings of this part of the verse. The secure teaching point is the group’s extreme hostility; one narrow verbal interpretation should not be treated as universal across the variants.