They walked past Marcolina's window.

Not merely was the window closed, but the iron grating had been fastened; within, the window was curtained.

There had been times, thought Casanova, when all these precautions had been unavailing, or had been without significance.

They reentered the house.

Olivo would not be dissuaded from accompanying the guest up the creaking staircase into the turret chamber.