He blinked, puzzled, and for the first time that night doubted his own senses.

The machine sounded adamant, and Phil began to doubt his own senses.

She was so startled that for a moment she doubted her senses.

All he had was the impression of energy moving past him, so fast he almost doubted his senses.

When the spectre asks, "Why do you doubt your senses?"

The only thing that made Jamie doubt his senses was the size of it.

For the first time in years he found himself doubting his own senses.

I watched them go and for another moment doubted my own senses.

When she was out of sight, I began to doubt my senses.

He was beginning to doubt his own senses.