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
American idioms English vocabulary. Английский словарь американских идиом. 2012