To compartmentalize something means to divide it into separate sections.
例句
Traditionally men have compartmentalized their lives, never letting their personal lives encroach upon their professional lives.传统上男人把自己的生活划分清楚,他们不会让私生活影响其工作。
英英词典释义
Adjective
1. divided up into compartments or categories;
"most sciences have become woefully compartmentalized"