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101页（266字）
指火灾、水灾给人造成巨大损失，例这地区前年发生森林大火，今年又逢大水灾，人民尝尽了水火无情的苦头。
A huge forest fire broke out in this area the year before last and this has been followed by a big flood this year．Poor people-flood and fire have no mercy on anyone!