She spent weeks designing her Halloween costume to win the contest.
Она провела недели, разрабатывая свой костюм на Хэллоуин, чтобы выиграть конкурс.
Definitions
A Halloween costume is an outfit worn during the Halloween celebration, typically designed to represent a character, creature, or theme associated with the holiday, such as ghosts, witches, monsters, or popular culture figures.
