Фразеологизмы со словами make up one
make up one's mind
To choose what to do, to reach a decision, to decide finally.
They made up their minds to sell the house.
Tom couldn't make his mind whether he should tell Mother about the broken window or let her find it herself.
Sally is considering several colleges to attend, but she hasn't made up her mind yet.
When are you going to make up your mind about your vacation plans?