From white to black
Bai to heilai is a Chinese idiom, pronounced B á IW ǎ NGH ē IL á I, which means that the metaphor has changed greatly.
explain
Metaphors change a lot.
source
"Liezi Shuo Fu": "how can it be strange for you to make your dog white and black?"
Discrimination of words
[pinyin code]: bwhl
From white to black
invite to one 's side men of wisdom and valor - zhāo xián nà shì
try to shorten the neck of a crane and lengthen that of an owl -- to go against nature - duan he xu fu
devote oneself heart and soul to - zhuān xīn zhì zhì
be a restless fellow like a drifting water plant - píng zōng làng jì