He'd been good at it, once, but his skills had grown rusty.

Durily's voice grew deep and rusty.

I had been too long away, my thoughts had grown rusty.

It also might serve to refresh skills that have simply grown rusty.

Even the symbols of the future have grown rusty.

It is true I have grown rusty.

Trouble is, the education skills of many older workers have grown rusty.

The Papster must have been lonesome for the central things, so he brought out his eloquence, which had grown rusty, and gave a doctrine to their act.

Lois turned as slowly as a toy ballerina whose cogs have grown rusty, and her eyes seemed to fill up with Saint Elmo's fire.

But he'd never been one to let his bandenllas grow dull or rusty, the spikes were sharpened before every corrida.