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6页(220字)
指局面恶化到无可挽救的地步,例京都失陷之后,他们知道大势已去,不得不准备无条件讲和。
After the fall of the capital,they realized the situdtion was hopeless and began to think of negotiating without preconditions.