They had been wrong, he thought, careful not to betray his sudden fear.

"Let's try to be brave," he said in a voice that nonetheless betrayed his fear.

"I have to ask you something," she said, in a voice that surely betrayed her fear but was the best she could do.

She was a warrior and would not betray fear.

The man looked down, betraying a moment's fear; then he girded up his courage again and spoke.

The reply from the lieutenant betrayed the officer's own fear; perhaps he had made a dreadful mistake.

Only the slight quaver at the end betrayed the woman's fear that it was misplaced.

But he could hear the boy reassuring someone who'd called to him, in a startlingly calm voice for all that the pitch betrayed his fear.

He was sitting on the bench opposite, but unlike those to either side of him, he did not betray his fear.

They both spoke lest chattering teeth otherwise betray their fear.