A chattering and hurrying of people could be heard as an undertone.
"I will go with you quietly," he said to them, in an undertone.
They had been speaking in an undertone, standing together at a window, apart from the rest.
"That's Mrs. Wimby's husband," said the judge in an undertone.
Then, knowing Nani's history, he related it in an undertone.
All this was muttered in an undertone, not intended for the ear of the railway official.
"You can't truly say you're out, dear," counselled Edna, in an undertone.
I heard a whispered greeting and an undertone of conversation.
"It is his portrait," she murmured in an undertone, as if the face of her late husband could hear her.
The landlord told them in an undertone, that the young woman had a violent fever.