en_tn/isa/63/03.md

I have trod grapes

Here "I" refers to Yahweh. This imagery refers to Yahweh destroying his enemies. (See: rc://en/ta/man/translate/figs-metaphor)

For I looked forward to the day of vengeance

Here "day" refers to a period of time. (See: rc://en/ta/man/translate/figs-synecdoche)

vengeance

Yahweh will punish in an appropriate way to bring about justice. His kind of vengeance differs from man's.