live in cloud-cuckoo land
to believe that things you want will happen, when really they are impossible. Anyone who thinks this project will be finished within six weeks is living in cloud-cuckoo land.
source: thefreedictionary.com
live in cloud-cuckoo land
to believe that things you want will happen, when really they are impossible. Anyone who thinks this project will be finished within six weeks is living in cloud-cuckoo land.
source: thefreedictionary.com