en_tn/jer/09/06.md

Your dwelling is in the midst of deception

Yahweh speaks of living among people who are liars as living in the middle of deception. Alternate translation: "Your dwelling is among the dwellings of liars" or "You dwell in the midst of liars" (See:rc://en/ta/man/jit/figs-metaphor)

in their deceit

"By telling all of these lies"

this is Yahweh's declaration

Yahweh speaks of himself by name to express the certainty of what he is declaring. See how you translated this in Jeremiah 1:8. Alternate translation: "this is what Yahweh has declared" or "this is what I, Yahweh, have declared" (See: rc://en/ta/man/jit/figs-123person)