Inos snorted to indicate disbelief.
Lho usually indicates surprise and disbelief.
Mr. Conklin," said the President, "no one here has indicated disbelief.
Menolly's expression indicated disbelief.
Auntie gave a snort that might have indicated disbelief, but followed Hercules without further question.
When Mrs. Abrams' expression indicated profound disbelief, Claire found herself adding, "Really, I don't."
The show popularised the catchphrase "Jeez, Wayne", still heard in New Zealand used as a reaction to another person's comments or actions to indicate disbelief.
The clapping is usually accompanied by ironic dialogue such as "Well done", or "Bravo" to indicate disbelief of or show scorn for another character's comments.
I do not understand that word, young friend, but I feel that it indicates disbelief.
If Connecticut residents were polled to determine how many of them realize their bank accounts could be forfeited after five years of inactivity, most would indicate disbelief.