A very odd thing to say, and his doubtful tone made it odder.

"I'm not exactly sure," declared the physician, in a doubtful tone.

"Someone mentioned I could get this fixed here," she said with a doubtful tone to her voice.

Cutler asked in a doubtful tone that somehow stopped just short of ridicule.

If that doubtful tone had come from any other woman, he would have felt insulted.

'It fits,' said the Prince, but in a doubtful tone of voice.

"Perhaps," said the unknown woman in a doubtful tone.

Jordin's doubtful tone was clear even over the raspy comm.

Mr. Warner replied in a somewhat doubtful tone that everything was all right.

He had just agreed to sign over the check, but why the somber, doubtful tone in his voice?