hit-and-run

a. 打了就跑的
【法】 肇事后即逃遁的, 打了人后即逃跑的

hit-and-run

adj.（形容词）
Being or involving the driver of a motor vehicle who leaves the scene of an accident, especially one in which a pedestrian or another vehicle has been struck.
肇事后逃逸的：尤指机车驾驶员由于步行者或另一辆机车被撞倒而离开事故现场的
Baseball Relating to or being a play in which a base runner starts to run on the pitch and the batter attempts to hit the ball to protect the runner.
【棒球】 打带跑的：棒球比赛的一种战术或与其有关的，投球手开始投球且击球员试图击球以使跑垒员向前跑一垒
Involving or designed for swift specific action or effect:
闪电式的：旨在采取快速行动或效果的：
例句：
.a day of hit-and-run disturbances by bands of dissident students.(Alfonso Narvaez)
.被反对派学生用闪电式方法骚扰的一天.(阿方索·纳瓦埃斯)