(BrE) 1. (sport体育) the act of running or the distance you run in order to gain speed before you throw a ball, jump, etc.助跑;助跑距离◆She took a run-up and kicked the ball. 她助跑踢球。2. ( ˈrun-inless frequent) (to sth)the period of preparation before an important event(重大活动的)准备阶段,酝酿期◆She’s been training hard in the run-up to the big competition. 她在大赛开始前的这段时间里刻苦训练。◆the run-up to the election 选举前夕