en_tn/2ki/10/10.md

certainly realize

"understand" or "be aware of the fact that"

no part of Yahweh's word ... will fall to the ground

This speaks of everything happening that Yahweh has said will happen as if it were something that did not die and fall to the ground. AT: "No part of Yahweh's word ... will fail" or "every part of Yahweh's word ... will happen" (See: rc://en/ta/man/translate/figs-metaphor)

Yahweh has done

This speaks of Yahweh causing Ahab's descendants to be killed as if he killed them himself. AT: "Yahweh has caused to happen" (See: rc://en/ta/man/translate/figs-metaphor)