我希望他能别再没完没了地讲他的新车了。

I wish he'd stop ___go ___on about his new car.

她连续好几天都在喋喋不休地讲她最近的旅行。

She didn't stop ___go ___on about her recent trip for days.

如果他又开始长篇大论地谈论政治，就直接换个话题。

If he starts ___go ___on about politics, just change the subject.