muttering
/ˈmʌt̬.ɚ/
名词
低语（声）
I heard the soft mutter of voices in the next room.
我听到隔壁有人轻声低语。
嘀咕，私下抱怨
There were mutters that other departments received more money than ours.
私下里有人发牢骚说其他部门比我们部门拿的钱多。
/ˈmʌt̬.ɚ/
动词
嘟囔，咕哝
Stop muttering and speak up!
别咕哝了，大声说出来！