The knife was very sharp: three rapid motions would solve many problems.
"Especially against a guy who keeps things in rapid motion."
Tom made a rapid motion with the hand he had gotten loose.
It was moving toward him with the rapid, regular motion of a man's walk.
He made a sudden rapid motion with his hands.
The air was filled with a sound like sharp steel in rapid motion.
Like the theater, the impression of rapid motion was an illusion.
It was a rapid dangerous-looking motion until the light hit the white man's face.
But my flight had been pursuing an object itself in very rapid motion.
Due to the rapid motion of the storm, little impact was felt in Mexico.