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90页(253字)
用言语和文字斥责坏人的罪行,例对这种卖国求荣的人,我们必须口诛笔伐,使全国人民都看清他们丑恶的真面目。
For those who turn traitor for personal gain,they should be condemned in both speech and writing so that all the people know about their repulsive act.