witter
/ˈwɪtə(r)/verb
no obj.
- Brit. informal speak at length about trivial matters〈英, 非正式〉没完没了地唠叨（琐事）：
she'd been wittering on about Jennifer and her illness.
她一直没完没了地唠叨一些詹妮弗和她的病的琐事。
词源
early 19th cent. (originally Scots and dialect)： probably imitative.