出处:按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第234页(249字)
自己做好充分准备,给疲乏的对方以迎头痛击;亦用以比喻做事从容沉着而不慌乱,例在战争中,我军常常是以逸待劳,以少胜多,把远来的敌人打得溃不成军。
In battle,our army was often fighting with the minimum of forces,lay in wait for the fatigued enemy and routed them thoroughly.