He walked on, drawing thoughtfully at his cigarette.

I drew on a cigarette thoughtfully and watched the dull red eye of the dying embers on the fire.

He drew thoughtfully on his cigar and looked away, scanning the Cloaca.

The professor drew on his pipe thoughtfully.

He again drew thoughtfully on his cigar.

Clay drew thoughtfully on his cigarette.

Little Fuzzy drew thoughtfully on the tiny pipe he liked to smoke, and frowned.

He scanned the paper, his eyebrows drawing together thoughtfully.

Gammal lit a pipe, drawing on it thoughtfully before answering.