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195页(238字)
国家不安定变故多的时候,例国家当时正处于多事之秋,列强虎视眈眈,国家命脉危在旦夕。
Faced with troubles and difficulties inside the country and external pressure for concessions,the lifeblood of the country was in imminent danger.