Meanings of passionless tone in английском

At the thirtieth second Lennard looked up and said in a quiet, passionless tone:

The passionless tone of the narrative here is very remarkable.

This is partly owing to the passionless tone of his discussion, of which we have before spoken.

Her countenance became cheerful, her voice lost its even, passionless tone, and she evinced an interest in much that was passing around her.

There was something in Mr. Jellicoe's passionless tone that disturbed the inspector exceedingly, for he turned to Thorndyke and said in a low tone:

Joan answered in level, passionless tones:

"Strong measures," repeated Césarine, shuddering at the icy, passionless tone like a lecturer's.

"I knew it would be so," said she, in a strangely subdued, passionless tone.

"I am certain," answered Jasper, in his even, passionless tone.

"We meet to-morrow, at midnight, mighty Boabdil," said Almamen, with his usual unmoved and passionless tones.

"And told her about me waiting for you back in Nebraska," Mrs. Jones observed in cold, passionless tones.