I expected to hear back from them but I never heard a 'whisper'. [=I never heard from them again]
“I've had more than I can stand,” she complained in a 'stage whisper'.
I couldn't hear what they were saying because they were 'whispering'.
(..) (faint chatter) Oh, Booth. I think I hear someone inside. FBI. (whispers): Okay, stand back. I think he's coming. MAN: Hello? Valon Dudeshev? Uh, maybe. Who is it? (..)2016 TvShow: Bones Title: The Fight in the Fixer Season: 11 Episode 15