She saw the look the two men exchanged, and sighed.

Both times the two men exchanged fire, but only at a distance.

The two men had - at first - exchanged only a few words.

The man on the boat exchanged a look with his two colleagues.

She said it was not known whether the two men knew each other or had exchanged words.

The two men exchanged looks, then glanced back at her.

The two men exchanged a few more words and Richard put the phone down.

The two men exchanged shots, but no one was hurt.

He saw the young men exchange a grin across him; but such things often happened.

It needed only that for the two men to exchange information.