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21页（196字）
形容不避艰险，奋不顾身，例保卫国土，人人有责，即使赴汤蹈火，也在所不辞。
Even if it means going through fire and water，it is the duty of every citizen to protect his or her homeland．