Definition
To have a very difficult or unpleasant experience, or to be in a situation that feels like it could have resulted in death.
十分痛苦的經歷
In the first few years of starting my business, I really went to hell and back.
在創業的前幾年，我真的經歷了極大的困難。
She had to go through a long and painful rehabilitation process; it felt like she went to hell and back.
她必須經歷一個漫長而痛苦的康復過程；感覺就像經歷了地獄般的折磨。
After that severe illness, he felt like he had gone to hell and back.
在那場重病之後，他感覺自己像是從地獄走了一遭回來。