split up: to stop having a relationship with somebody (和某人)断绝关系,分手
My parents split up last year. 我父母去年离婚了.
Amicable: done or achieved in a polite or friendly way and without quarrelling 心平气和的;不伤和气的
an amicable relationship 和睦的关系
An amicable settlement was reached. 已达成和解.