I heard then a sigh next to me that had an undertone not unlike a snarl.
The undertone riffs off the “un-American” implications of the 2008 campaign directed at then-Sen.
Two students appeared, gave their names to Fancher in an undertone, and sauntered out the back door of the building.
She spoke to him once or twice in an undertone, but he did not answer.
The faces, too, of most we meet are serious, and their voices in an undertone.
She sprang off her mule, and talked some time in an undertone with El Dancaire and Garcia.
She seemed very proud and pleased and happy, though she spoke in an undertone, for Jane was within earshot.
Solomin exclaimed in an undertone, "bothering about other men's brides!"
“Officers of the law, I should guess,” Salt replied in an undertone.
"There goes Lilian Mitchell," said Mrs. Reeves in an undertone.