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209页（257字）
改变方针和做法的意思，例这次危机终使他们意识到旧的制度已不能适应新的社会环境，非改弦易辙不可。
The recent crisis made them realize finally that a new start had to be made and the old ways of doing things had to make way for the prevailing social changes．