en_tn/ezk/28/10.md

by the hand of foreigners

Here "hand" is a metonym for the actions of the foreigners' army. Alternate translation: "by an army of foreigners" (See: rc://en/ta/man/jit/figs-metonymy)

this is the Lord Yahweh's declaration

Yahweh speaks of himself by name to express the certainty of what he is declaring. See how you translated this in Ezekiel 5:11. Alternate translation: "this is what the Lord Yahweh has declared" or "this is what I, the Lord Yahweh, have declared" (See: rc://en/ta/man/jit/figs-123person)