He can run the 40-yard dash in 4.4 seconds, making him one of the fastest players on the team.

40-yard 是由数字 40 和名词 yard（码，英制长度单位，约等于0.9144米）组成的复合形容词，表示"40码的"。 dash 的意思是"短跑、冲刺"，特指短距离的快速奔跑。40-yard dash 指"40码冲刺"，是美式橄榄球等运动中常用的速度测试项目。