The question was impossible for me to answer in an offhand way.
That's one you cannot answer in an offhand way.
He spoke in an offhand way, as if a detail had come to mind.
"It will be clear enough to you soon," he said, in an offhand way.
He would present the good news first, mention their losses in an offhand way, as if four men were of no consequence.
One of them asked Philip, in an offhand way, where he had been for the last few days.
Not that the Mozart was presented in an offhand way.
In their offhand way, they tried to be kind to him.
He stood there, looking at the license plate in an offhand way.
I'll have to go at it in an offhand way, but maybe I can get something out of her.