one jump/step ahead of (someone or something)
(быть) на один шаг впереди кого-либо \ чего-либо
Jack was one jump ahead of the other students in his Math class.
- on the tip of one's tongue
- one man's meat is another man's poison
- on one's heels
- six of one and half a dozen of the other
- thousand and one
- one way or another
- hole in one
- not one iota
- One person's trash is another person's treasure.
- out of one's shell
- one for the (record) books
- of one mind