muttering
🇺🇸
/ˈmʌtərɪŋ/
🇬🇧
/ˈmʌtərɪŋ/
whispered or quiet complaints about something
There have been mutterings about the new policy.
關於新政策的耳語。
speaking quietly to yourself
I heard her muttering to herself as she worked on the puzzle.
我聽到她邊解謎邊自言自語。