{v. phr.} To choose what to do; decide. * /They made up their minds to sell the house./ * /Tom couldn't decide whether he should tell Mother about the broken window or let her find it herself./ Contrast: ON THE FENCE.
MAKE UP ONE'S MIND
Meaning of MAKE UP ONE'S MIND in English
Dictionary of English idioms . Словарь английских идиом. 2012