Better end it now, a warning voice rang deep inside her brain.
The warning voice could go take a rain check, she thought.
I didn't particularly care, even though the warning voice cautioned me not to miss a meal.
Edith's warning voice was a bit lower than her normal voice; but no less effective.
Something we don't have, said a warning voice in the back of Teppic's head.
The warning voice of God still rings in their ears.
Then her little warning voice kicked in, and what it said was: Oh, baby!
Now that the warning voice was no longer present, the apprehensive men were changing their opinions.
This time the queen did not laugh at her friend's warning voice.
'You must take care,' she said, in a warning voice.