Ainda não temos significados para "grin inanely".
1I didn't want to look sad, nor to grin inanely.
2"They might," Korsakov said, still grinning inanely, "even cancel out his error."
3"Don't say I didn't warn you." He was still grinning inanely.
4The soldier had fallen back on to the seat, and was grinning inanely; the drovers were enjoying the joke beyond measure.
5Protocol is very important - his advisers answer most of the questions on his behalf, while the Moro Naba looks on, grinning inanely.