It was obvious that the youth's agile brain had seized the idea and was running with it.

Behind his own keen, dark eyes a swift, agile brain was weighing-guessing-planning.

The sum total of Davenport holdings required an agile brain to understand it and a certain quality of ruthlessness to oversee it.

Graves' agile and cunning brain figuratively licked its chops.

Once again, Steve was impressed by the Mute's agile brain and his mechanical aptitude.

Even my agile brain required several seconds to assimilate the fact and its sinister connotations.

Behind that mask his agile brain looked ahead to the next move.

Once again, Seamount's agile brain was leaping ahead as soon as the possibilities were pointed out to him.

He sought his agile brain for a plan to outwit the pirate.

Neither villains nor readers back then expected to find an agile and resourceful brain beneath her lovely blonde curls.