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22页（306字）
①洪水横流，造成灾难，例这条河道每遇暴雨便泛滥成灾，应及早整治。
Whenever there is a deluge the river floods．It should be dredged early in the season．
②事物多得成灾，例迪斯科音乐到处泛滥成灾，甚至打搅人们的睡眠。
We are swamped by disco music-it even disturbs our sleep．