yammer
verb [ I ] mainly US informal uk/ˈjæm.ər/ us/ˈjæm.ɚ/
喋喋不休地说，唠叨
to talk continuously for a long time in a way that is annoying to other people
She never stops yammering about that dog of hers. 她总是喋喋不休地讲她家的狗如何如何。
He just kept yammering on, though no one was listening. 尽管没有人听，可他还在喋喋不休地唠叨着。