{v. phr.} To aim high; follow a great ambition or purpose, * /In trying to be a famous pianist, Mary had hitched her wagon to a star./ * /John hitched his wagon to a star and decided to try to become President./
HITCH ONE'S WAGON TO A STAR
Meaning of HITCH ONE'S WAGON TO A STAR in English
Dictionary of English idioms . Словарь английских идиом. 2012