旧时俗语。强调人要改变习性是非常困难的。
It's easy to change rivers and mountains but hard to change a person's nature <a fox may grow grey,but never good>
江(jiāng)
山(shān)
好(hǎo hào)
改(gǎi)
()
秉(bǐng)
性(xìng)
难(nán nàn nuó)
移(yí)
