词语

江山易改，禀性难移政体容易更改本性难于变移比喻生性风格或既成的事实难以改变。英It's easy to change rivers and mountains but hard to change a person's nature; a fox may grow grey,but never good; a sow,when washed,returns to the muck; it is hard to change ma

禀性难移本性难以改变。