Like buying an oyster from a pearl diver, he never knows what's inside.
From the orlandosentinel.com
Darcy lives alone with her mother Sarah, a pearl-diver, in a poky, smelly, overpriced apartment.
From the guardian.co.uk
His father was a pearl diver and later a tugboat skipper while his mother was posted there as a nurse.
From the nzherald.co.nz
Once a pearl diver, always a pearl diver.
From the timesunion.com
As an actor, he is not a flashy water-skier splashing off extraneous effects but a deep-sea diver of strenuous gravity who comes up with the pearl of truth.