to speak or say something quickly in a way that is difficult to understand急促而含混不清地说
The train was full of people jabbering (away) into their mobile phones.火车上满是叽哩咕噜对着手机说个不停的人。
He jabbered (out) something about an accident further down the road.他含混急促地讲着路那头出的一场事故。