I didn't want to look sad, nor to grin inanely.

"They might," Korsakov said, still grinning inanely, "even cancel out his error."

"Don't say I didn't warn you." He was still grinning inanely.

The soldier had fallen back on to the seat, and was grinning inanely; the drovers were enjoying the joke beyond measure.

Protocol is very important - his advisers answer most of the questions on his behalf, while the Moro Naba looks on, grinning inanely.