Here "eat and drink" represents having a party and over indulging in food and wine. AT: "we may as well have fun now by eating and drinking all we want, for we will die soon" (See: [[rc://en/ta/man/translate/figs-metonymy]])
Here "ears" represents Isaiah as a whole. This can be stated in active form. AT: "Yahweh of hosts revealed this to me" (See: [[rc://en/ta/man/translate/figs-synecdoche]] and [[rc://en/ta/man/translate/figs-activepassive]])
# Surely this iniquity will not be forgiven you, even when you die
This can be stated in active form. AT: "Surely I will not forgive you for these sinful things you have done, even when you die" (See: [[rc://en/ta/man/translate/figs-activepassive]])
# even when you die
Possible meanings are 1) Yahweh will never forgive them, even after they die or 2) Yahweh will not forgive them until they die.