compartmentalize
verb [ T ] (UK usually compartmentalise) uk/ˌkɒm.pɑːtˈmen.təl.aɪz/ us/ˌkɑːm.pɑːrtˈmen.t̬əl.aɪz/
分隔；隔开；划分
to separate something into parts and not allow those parts to mix together
His life was carefully compartmentalized, with his work in one city and his social life in another. 他的生活划分得很精细：工作在一个城市，社交生活在另一个城市。