mutterverb [ I or T ]uk /ˈmʌt.ər/ us /ˈmʌt̬.ɚ/
Stop muttering and speak up! 別咕噥了，大聲說出來！
He was muttering (away) to himself. 他在喃喃自語。
- One guest at the crowded reception was heard to mutter "It's like the Black Hole of Calcutta in here."
- She was muttering curses as she fumbled for the light switch.
- 'I didn't know it would be this expensive,' he muttered.