"We're going to have to sift through that one carefully," he said.
She started to sift carefully through the papers on his desk.
She had sifted carefully through the information, deciding on three names which might provide a short cut to access.
Those who managed it had access to information and carefully sifted opinion.
I sifted through the ash carefully but found no bones.
Conway began with the oldest and sifted carefully through them until he came to the most recent.
Having put on rubber gloves, he was sifting through the papers carefully.
Another man was carefully sifting through the dirt that formed the floor of the tomb.
She thought it through again, sifting carefully the arguments.
And here is a smiling Pollock carefully sifting the sand to be added to the surface of his work.