leave up to
Meaning: If you leave something up to someone, you let them do it or you give them responsibility for it.Synonym: leave to
- leave sth up to sb We need to upgrade our computer network, and Harry is our computer expert so we'll leave it up to him.
- leave sth up to sb We'll leave it up to the accountant to decide how to invest the money.
In a democracy, the decision on who will govern the country is left up to the country's