blabber       
verb [ I ]  informal uk/ˈblæb.ər/ us/ˈblæb.ɚ/
 (尤指烦人地)喋喋不休;胡说,乱扯
to talk a lot, especially in a way people find annoying or embarrassing
  He's always blabbering on about computers. 他总是喋喋不休地说计算机的事。 
 Synonyms: blab chatter gabble prate prattle 
Compare: gibber