更弦易辙

Explanation: Analogy approach or attitude change. 　　Source: "Mingshi Pan Xun Biography" this spring has been filled, more strings and easy nature, and this is also the time. " 　　Examples: To the junior high school for the superficial, deep, and its major purpose indiscriminately different, is without once in ~ also. ★ Qing xi "<next copy> order under the"