vt.

1. 含糊地说，咕哝着说
   When the old lady speaks she often mumbles her words.

   这位老妇人说起话来常常含糊不清。

2. 抿着嘴嚼

vi.

1. 含糊地说话，咕哝
   Stop mumbling, for goodness sake.

   看在老天爷面上，别再咕哝了。

n.

1. 含糊的话，咕噜[C]

v.

1. say something indistinctly and quietly.
2. bite or chew with toothless gums.

n.