Be in a brown study and Be in cloud cuckoo land

Be in cloud cuckoo land and be in a brown study are semantically related. In some cases you can use "Be in cloud cuckoo land" instead a verb phrase "Be in a brown study".

Be in a brown study and be in cloud cuckoo land are semantically related. You can use "Be in a brown study" instead a verb phrase "Be in cloud cuckoo land".