en_tn_lite_do_not_use/isa/37/34.md

he came ... he will not enter

Here the Assyrian king refers to both him and his army. Alternate translation: "they came ... they will not enter" (See: rc://en/ta/man/translate/figs-synecdoche)

this is Yahweh's declaration

Yahweh speaks of himself by name to express the certainty of what he is declaring. Translate as in Isaiah 30:1. Alternate translation: "this is what Yahweh has declared" or "this is what I, Yahweh, have declared" (See: rc://en/ta/man/translate/figs-123person)