If the goals occasionally sound out of reach, Dr. Frieden said, that is fine with him.

Sitting among kilim rugs, he can occasionally sound like an exuberant dinosaur.

His bushy mustache dipped far to the right and his voice occasionally sounded hollow.

Gunshots occasionally sounded outside in the streets of Bethlehem.

He also occasionally sounds a bit childish when speaking, making him seem like a baby trapped inside a giant's body.

Today, a loud whump would sound occasionally when Israelis found and detonated a charge.

Occasionally sounds waves can't be conducted so easily through the hearing system, perhaps because of damage to the tiny bones in the middle ear.

Mr. Gore occasionally sounded like the denizen of a think tank.

Anthony sounded confident but occasionally he would look at Hawk for a flickering moment out of the corner of his eye.

It also occasionally sounds like a power line buzzing.