mutter (something) under (one's) breath

(redirected from muttering something under his breath)

mutter (something) under (one's) breath

To murmur something in such a soft, quiet voice that others cannot hear it distinctly. (Said especially of rude, unpleasant, complaining, or impertinent remarks.) I could hear Bill muttering something under his breath on the way back to his desk after his annual review. Don't you dare mutter curse words under your breath at me, young lady!
See also: breath, mutter
References in periodicals archive ?
The latest row erupted after video footage showed Mr Corbyn muttering something under his breath after a put-down by Mrs May.
I went back to reading my emails and a minute or so had gone by when I heard Fat Man muttering something under his breath. Something ending with the word "s***".
He gave me another look and got down to work, muttering something under his breath. First, using the knife, he smoothed the wall all around.
The celebrated Butcher of Lyons's ultimate fate drew a blank from almost everyone, and the man in the street was overheard repeatedly muttering something under his breath about forty years being such a very long time.