1.at a full jump全速地; 2.at one jump立刻; 3.a jump ahead抢先一步; 4.at the jump 一开始; 5.jump all over someone 责骂某人; 6.jump through hoops 以完成某些任务来证实自己的能力; 7.from the first jump 从一开始; 8.give someone a jump 使某人吓一跳
