/ˈmʌtə(r) ||; ˈmʌtɚ/verb [I,T] to speak in a low, quiet and often angry voice that is difficult to hear 咕哝；低声抱怨；含糊不清地说 · He muttered something about being late and left the room. 他喃喃地说着要迟到了，然后离开了房间。 ☞Look at mumble. 参看mumble。