The man looked up without taking his eyes from the glass.

"He most probably used a cup made from glass like everybody else."

She took a drink from a glass on the side table.

He took a long drink of water from his glass.

She took a long drink from her glass after sitting down.

There was a cut on his face that might have come from broken glass.

He drank from his glass and looked across at her.

She took a drink from a tall glass in front of her.

He took a long swallow from the glass in his hand, then another.

The man who'd looked back at me from the glass had been a real cool cat.