Çift için artık birlikte yaşamak zordur. - It is hard for the couple to live together any longer.
Birlikte yaşamak istemiyorlar. - They don't want to live together.
English - English
Definition of to live together in English English dictionary
live as one group or couple (in the same building, apartment, room, neighborhood, etc.)
If two people are not married but live in the same house and have a sexual relationship, you can say that they live together. The couple had been living together for 16 years