en_tn_condensed/rev/14/10.md

will also drink some of the wine of God's wrath

"will also drink some of the wine that represents God's wrath"

that has been poured undiluted

This means that the wine has no water mixed into it. It is strong, and a person who drinks much of it will get very drunk. As a symbol, it means that God will be extremely angry, not just a little angry.

cup of his anger

This symbolic cup holds the wine that represents God's anger.