separation
/ˌsepəˈreɪʃn; ˌsɛpə`reʃən/ n
1 ~ (from sb/sth)
(a) [U] separating; state of being separate 分离; 分开; 隔开
the separation of infectious patients from other patients 传染病人与其他病人之隔离
Separation from his friends made him sad. 他离开了朋友, 十分难过.
(b) [C] instance or period of being separated 分离; 分开的期间
after a separation of five years from his parents （他）离开父母五年以後.
2 [U, sing] legal arrangement by which a married couple live apart but do not end the marriage （有婚姻关系的双方按法律程序的）分居
decide on
(a) separation 决定按法律程序分居.