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140页（195字）
比喻牺牲自己的生命，例抗战时期，许多爱国志士不惜肝脑涂地以保卫国土。
During the Anti-Japanese War there were many a patriot who was ready to give his or her life for the country．．