I don't know about each other
In the Chinese idiom, Pinyin is B ù Xi ā NGW è NW é n, which means that there is no contact or no contact. It comes from the biography of Yan Zhuzhuan in the history of Han Dynasty.
The origin of Idioms
Yan Zhuzhuan in Hanshu: "so he became the prefect of Kuaiji. For several years, I didn't ask.
Idiom usage
For another three years, he was as poor as a church mouse, and even more he tried again and again, and his relatives and friends were looking at each other, and gradually came to. (Cui Xiucai, the master of Ji garden in Qing Dynasty)
Chinese PinYin : bù xiāng wèn wén
I don't know about each other
bring disgrace on the mother country and casualties on the army. rǔ guó sàng shī