Her voice dropped to a whisper and then she only seemed to mouth the words.

She leaned over the table and dropped her voice to a whisper.

Her voice lost its heat and dropped to a near whisper.

Now his voice dropped all the way to a whisper.

But he did drop his voice to a whisper again.

His voice had lost all its strength and dropped to a whisper.

It is' The big man's voice dropped to a whisper.

Who knew," his voice dropped almost to a whisper, "when it would return?

She dropped her voice to a whisper before going on.

"We were trying to let you go," she said, her voice dropping to a whisper.