know and observe all but stay obscure
Zhibai shouhei is a Chinese idiom. The Pinyin is zh ī B á ISH ǒ uh ē I, which means right and wrong in black and white. Although you understand it, you should keep it in obscurity.
Idiom explanation
It means that although you understand right and wrong in black and white, you should still keep it in obscurity. This is the negative attitude of Taoism.
know and observe all but stay obscure
all the malpractices have been abolished - fēng qīng bì jué
learn from each other by an exchange of views - qiē cùn zhuó mó
tragic beyond compare in this human world - cǎn jué rén huán
blindly copying others and making oneself look foolish - dōng shī xiào pín
dredge the moon out from the bottom of the water - shuǐ dǐ lāo yuè
be extremely cruel and merciless - xīn hěn shǒu là