cheat on 对…不忠实
Why do men cheat on their wives?
男人们为什么要欺骗他们的妻子呢？
What'd she do, cheat on you?
她干什么了骗了你吗?

go through 经过,经历
It has to be a really good article for you to go through that kind of [ experience].
谁有耐心经历这样的阅读体验啊，除非你认为这篇文章足够好。
Look, you said no one understands what you're going through. She does!
听着，你说过没有人可以体会到你的痛苦， 她就可以