You ..... with your mouth. This is when you speak in a quiet way so that others cannot easily understand what you said. (*) mutter (*) save (*) view (*) change
This is a companion discussion topic for the original entry at https://english.best/questions/17869,you-___-with-your-mouth-this-is-when-you-speak-in-a-quiet-way-so-that-others-cannot-easily-understand-what-you-said/