Flatten (someone's) hopes
Translation of "flatten (someone's) hopes" into Russian
flatten (someone's) hopes
разрушить (чьи-то) надежды
The news of the cancellation flattened her hopes of a vacation.
Новость об отмене разрушила её надежды на отпуск.
Definitions
To completely destroy or diminish someone's expectations or aspirations, often by delivering disappointing news or criticism.