The boy flinched as if he had been struck.

The little boy did not flinch, but stared back at the warrior.

But the boy flinched back and refused to meet her gaze.

The three boys standing in front of him flinched.

The boy took another step back and waited, flinching visibly.

The boy flinched, closing his eyes, but still he was silent.

He held them out to Mark, and the boy flinched.

The boy flinched again, although Horn hadn't raised a finger.

The boy instinctively flinched away, raising his hands, and Fred was on him.

The boy flinched a little, closed his eyes again.