What is another word for rub salt in to wound?
Pronunciation: [ɹˈʌb sˈɒlt ɪn tə wˈuːnd] (IPA) 
There are several synonyms for the phrase "rub salt in to wound". Other expressions that convey a similar meaning include "twist the knife", "pour gasoline on the fire", "add insult to injury", or "hit someone when they are down". Each of these phrases connotes a sense of exacerbating an already difficult situation by making it even worse. It's a figure of speech designed to express a sense of betrayal or additional pain. Avoid using such language whenever possible, as you never know what someone is going through and how hurtful your words may be.
