Mutters under her breath - Idioms by The Free Dictionary
mutter (something) under (one's) breath (redirected from mutters under her 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!
References in periodicals archive
It's a price hike that my sister can absorb-though she still mutters under her breath
about it-but what about the people whose income will surely feel the strain of successive price increases?
And as bouffant-haired Lola storms off after being voted the Weakest Link, she mutters under her breath
: "Don't worry about me girls, I'm off to Millionaire", referring to the Beeb's quiz show rival hosted by Chris Tarrant.