to hell and back
Through a difficult, trying, or perilous situation and having overcome it. Josh and I have been to hell and back growing up, so I knew I had to have him as my best man at my wedding. Wow, it sounds like you went to hell and back on that trip! I'm just glad you're home safe now.
to ˈhell and back
(informal) used to say that somebody has been through a difficult situation: We’d been to hell and back together and we were still good friends.