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- mutter about
mutter about
mutter about someone or something
to grumble or complain about someone or something. Are you muttering about me? What is your complaint? Why is everyone muttering about the food here? It is excellent.
mutter something about someone or something
to say something softly and indistinctly about someone or something. I heard him mutter something about being late. Sharon is muttering something about Dave. What does she mean?