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251页（195字）
比喻乘人危急忙乱时从中夺取利益，例见危不救，反而趁火打劫的人，实在是十足的小人。
No other than a mean and base person could take advantage of another's misfortune to serve his own ends．