The kinless driver whistled some nameless tune.
The driver whistled away in his classic telegraph.
The driver was provided with brake and whistle controls, and some means of communicating with the fireman, who stayed on the footplate.
The driver whistled.
The driver whistled through his teeth.
The driver whistled somethin from Mussorgsky-after a moment, Ludmila recognized it as "The Grea Gate of Kiev."
The driver whistled, jogging the reins to speed his coursers.
The driver whistled for the guard's brakes, but did not reverse the engine for fear of damage to the carriages behind.
Bogoraz and the Videssian party ignored each other as they left the banquet tent; the driver whistled his horses to a brief halt so they could alight.
The driver whistled to himself.