1P:不得了啦听说- 昨天那轰鸣声貌似昰山崩耶! roughly: I heard (from friends)- yesterday there was the roar of a landslide ze!
2P:早知道了 roughly: We knew that since ages ago.
3P:都知道了啊. 但是那场山崩惹出了点儿麻烦事. roughly: Ah so you knew. But that landslide caused some trouble.
4P:麻烦? roughly: Trouble?
Here is the big news, I heard that-Yesterday there was the roar of a landslide, ze!That's old news.But that landslide caused some trouble.Trouble?Ah, so you already knew