on that subject 在这个问题上
Listen,since we're on that subject...I just wanted to tell you that....
既然你说到这个我想告诉你…
"You can say you'll quit him," lambright said. "I'd like to have your word on that subject."
“你可以说你会离开他，”兰布赖特说，“在这件事上我希望得到你的许诺。”

go through 经历
Why go through these contortions?
为什么要经历这些扭曲的折腾哪？
I was going through a hard time in London...with my brother getting married and that guy thinking I was Ross' mother.
当时我在伦敦心情很不好,因为哥哥结婚 别人还把我认作他妈