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114页(205字)
比喻疾病或事情已到了绝境,仍然尽力挽救,例病情看来已无可挽救,但医生仍死马当做活马医,尽力抢救。
It looks as if nothing more can be done,but the doctor continues to make every effort to save the patient.