en_tn_condensed/ezk/38/23.md

show my greatness and my holiness

The abstract nouns "greatness" and "holiness" can be stated as adjectives. Alternate translation: "show that I am great and holy" (See: rc://en/ta/man/translate/figs-abstractnouns)

I will make myself known in the eyes of the many nations

Here "eyes" refers to sight, which is a metonym for understanding. Alternate translation: "I will cause many nations to understand who I am" (See: rc://en/ta/man/translate/figs-metonymy)

know that I am Yahweh

When Yahweh says that people will know that he is Yahweh, he is implying that they will know that he is the one true God who has supreme authority and power. See how you translated this in Ezekiel 6:7. Alternate translation: "understand that I am Yahweh, the one true God" or "realize that I, Yahweh, have supreme power and authority" (See: rc://en/ta/man/translate/figs-explicit)