vi.
含糊地说;喃喃地说:
His uncle was mumbling to himself.
他舅舅喃喃自语。
(如因缺齿而)困难地咀嚼;(以无齿的牙床)瘪着嘴嚼
vt.
含糊地说;喃喃地说:
He mumbled his speech without pause.
他不停地咕哝着他的话。
如无齿地咀嚼;瘪着嘴咀嚼:
The old woman mumbled the cake.
老太太瘪着嘴吃蛋糕。
吻
n.
咕哝;含糊不清的话
interj.
(表示犹豫等)嗯;是啊
(表示反对等)算了吧;不会吧