reinvent the wheel in Polish
reinvent the wheel in Polish
na nowo odkryć koło
(idiomatic) To do work unnecessarily when it has already been done satisfactorily by others; to attempt to devise a solution to a problem when a solution already exists.
wynajdywać koło na nowo
(idiomatic) To do work unnecessarily when it has already been done satisfactorily by others; to attempt to devise a solution to a problem when a solution already exists.