军队行动迅速，像逃脱的兔子一般。语本《孙子集注・卷十一・九地》：“是故始如处女，敌人开户，后如脱兔，敌不及拒。”后比喻动作十分敏捷。如：“他打起球来，动如脱兔，很难防守。”
英语 as nimble as an escaping hare when going into action
