What is another word for twisted the knife in the wound?
Pronunciation: [twˈɪstɪd ðə nˈa͡ɪf ɪnðə wˈuːnd] (IPA) 
There are many synonyms that can be used for the phrase "twisted the knife in the wound". Some of these include "adding insult to injury", "rubbing salt in the wound", "making matters worse", "pouring oil on the fire", and "driving the nail deeper". All of these phrases convey the idea of intentionally causing additional harm or pain to someone who is already suffering. They are often used in situations where a person is feeling hurt, betrayed, or vulnerable, and someone else intentionally exacerbates their pain. No matter which phrase you use, they all convey a sense of cruelty or malice towards the person who is already suffering.
