natter
verb [ I ] UK informal uk/ˈnæt.ər/ us/ˈnæt̬.ɚ/
（长时间地）唠叨，闲聊
to talk continuously for a long time without any particular purpose
Once he starts nattering you just can't stop him. 一旦他开始唠叨，你就别想打断他。
My mother and her friends natter away on the phone all evening. 我母亲和她的朋友们整晚在电话里闲聊个没完。