precocious russian

• скороспе́лка

  early-ripening variety, early fruit, early vegetable

  rush job, hasty piece of work, quick-and-dirty effort

  precocious child, early developer

• скороспе́лый

  precocious, early, fast-ripening

Examples

• Она не по годам развита, а?

  She's a precocious one eh?