Sentence examples for learned fast from inspiring English sources

"learned fast" is a correct and commonly used phrase in written English.
It means that someone is able to learn quickly or has a talent for learning new things at a rapid pace. Example: Sarah was impressed by how quickly her new coworker, Rachel, learned the job. She seemed to have a natural ability and always caught on to new tasks right away. "You're really picking things up fast," Sarah told her with a smile. "I wish I could learn as quickly as you do."