1. 暂时的;临时的;过渡期间的
    Interim is used to describe something that is intended to be used until something permanent is done or established.

    e.g. She was sworn in as head of an interim government in March.
           她3月份宣誓就任过渡政府首脑。
    e.g. ...an interim report.
           临时报告

2. 在过渡期间;在间歇期
    In the interim means until a particular thing happens or until a particular thing happened.

interim的近义词

    e.g. But, in the interim, we obviously have a duty to maintain law and order...
           但是,在过渡期间,我们显然有责任维护治安。
    e.g. He was to remain in jail in the interim.
           他在此期间将会继续被关押。