He is living in a pigsty because he never cleans his room.
Он живет в свинарнике, потому что он никогда не убирает свою комнату.
Definitions
Living in a pigsty refers to living in a place that is extremely messy, dirty, or disorganized, similar to the conditions in which pigs are kept. It is often used figuratively to criticize someone's lack of cleanliness or order in their living space.
