She approached slowly, unable to tell by his tone just how angry he was.

I could tell by his tone he was trying to control himself.

I could tell it by his tone, over the dictograph.

I could tell by his tone he was worried about my state of mind.

I could tell by his tone that something had gone wrong out there on the beach.

Heather could tell by his tone of voice that it wasn't.

Kahlan could tell by his tone that Richard was getting angry.

A distance suddenly gaped between them; he could tell by her tone, the way she looked at him.

He could tell by her tone that she didn't think much of Corinthians.

I could tell by his tone there was no use; he would merely have gone on being adamant.