rattle on/away
phrasal verb with rattle verb uk/ˈræt.əl/ us/ˈræt̬.əl/
informal
喋喋不休地说，没完没了地唠叨（尤指鸡毛蒜皮的事）
to talk for a long time, especially about things that are not important
She was on the phone for hours last night, just rattling on to her friends. 昨晚她打电话没完没了，跟她那些朋友们唠叨了好几个小时。