From Longman Dictionary of Contemporary Englishgo through with something phrasal verbPROMISEto do something you had promised or planned to do, even though it causes problems or you are no longer sure you want to do it He bravely went through with the wedding ceremony even though he was in a lot of pain. I had no choice but to go through with it. → go→ See Verb table
Examples from the Corpus
go through with • She had to go through with it now, as she had exchanged contracts on the house.• That depended, of course, on whether he decided to go through with it or not.• That meant only one thing: he had to go through with it.• The hour had long since passed for his call to Virginia Stillman, and he debated whether to go through with it.• I went through with the fight, like I had said, knocked him out.• They are quite rightly upset and offended as they have usually made their own decisions and are going through with them.• How could he go through with this horrible farce? 