Almost anybody in Hollywood would have told her that Lynn Summerlad was "a fast worker."
When Florence had found what she wanted she was a fast worker.
He's a fast worker and a clever one—which means that you've got to keep continually after him.
If you hadn't ever had any chillun, your marster would tell 'em you was strong, healthy, and a fast worker.
She was a fast worker, an earnest worker, a worker who made things fly when she set about making them fly.