I don't know(fǎn yǎn bù shí)

I don't know

As a Chinese idiom, Pinyin is f ǎ NY ǎ Nb ù sh í, which means turning one's face away from others. It describes changing one's attitude and being indifferent to others. From Liu Zihou's epitaph.

Notes on Idioms

Reverse: flip.

The origin of Idioms

Han Yu's epitaph of Liu Zihou in Tang Dynasty: "once you are faced with a small interest, it's just like hair, but if you don't know the opposite eye."

Idiom usage

To change one's attitude. example he often treats people with an attitude that he doesn't know.

Chinese PinYin : fǎn yǎn bù shí