深居简出（深居簡出）　

◎ 深居简出 shēnjū-jiǎnchū

[live in the seclusion of one‘s own home and seldom come out;live a secluded life with few social contacts] 平时总是呆在家里,很少外出。谓避世而独处

自摈弃以来,尤自刻励,深居简出,几不与世人相通。——宋· 秦观《谢王学士书》