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235页(251字)
快到打仗时,才去磨枪;比喻事到临头才仓促准备,例下届运动会虽距今尚远,但必须早作准备,不可临阵磨枪,草率出场。
Though the next athletic meet is still far away,we must start training early so that we can put on a good show and not wait till the last moment.