know and observe all but stay obscure
Knowing the white and guarding the black is an idiom, and the Pinyin is zh ī B á ISH ǒ uh ē I, which means to know right and wrong in black and white. Although you understand it, you should still keep it dark, as if nothing can be seen. This is the negative attitude of Taoism. From Laozi.
The origin of Idioms
Laozi: "knowing its white and keeping its black is the world style."
Idiom usage
This is the negative attitude of Taoism
Chinese PinYin : zhī bái shǒu hēi
know and observe all but stay obscure
introduce comic remarks in dialogue. sā kē dǎ hùn