ivory tower

Translations
башня из слоновой кости
He lives in an ivory tower, disconnected from the real world.
Он живёт в башне из слоновой кости, оторванный от реального мира.
Definitions
A metaphorical place or state of privileged seclusion or separation from the practical concerns of everyday life, often used to describe academics or intellectuals who are perceived as being out of touch with reality.
Words
ivory

adjective
слоновой кости
tower

noun
башня