VERB
輕聲說話;小聲抱怨
If you mutter, you speak very quietly so that you cannot easily be heard, often because you are complaining about something.
例句
'God knows what's happening in that madman's mind,' she muttered...
她咕噥著：“天知道那個瘋子在想什么。”
She can hear the old woman muttering about consideration...
她能聽到那個老婦人小聲咕噥說考慮考慮。