The bar was unusually quiet tonight - and not only because they were at war.
The next morning, during break, I noticed that they were all unusually quiet, and could not understand why.
After a while I noticed that she was being unusually quiet.
The boy had been unusually quiet all through the meal.
Her senior staff was unusually quiet as they left to take up their various positions.
The crew had been unusually quiet over the last hour.
She turned to see what had happened to Emily, who was being unusually quiet.
He turned to look at the boy, who had been unusually quiet all the way up the mountain path.
They raced to the north through an unusually quiet town.
In summer the city seems unusually quiet on Friday afternoon.