prior/ˋpraIɚ; ˈpraIə/adj formal 【正式】1 [only before noun 仅用于名词前] a prior arrangement, agreement etc was planned or made earlier 先前的﹔较早的﹔事先安排的: He is unable to attend due to a prior engagement . 因为事先已有安排﹐他无法参加。2 prior to sth before 在某事之前﹐先于某事: the weeks prior to the election 大选前的几周