?索居单独居住

琳琅在线--现代汉语字典 ... [shut-in] 倾向于避免社交 [live in solitude; keep oneself to oneself; live out of the world;live alone; live within oneself; plough a lonely furrow] 索居:单独居住。离开朋友独自生活 [digress (depart, stray, wander) from the subject;stray from the point;away from the point] 离开主题 ...