Parallel head
The Pinyin is pi á NSH ǒ Uji ù Gu ī, which means to be killed at the same time. It comes from the biography of Zhu Liangzu in the history of Ming Dynasty.
Idiom explanation
It's the same as "killing when the head is parallel.".
The origin of Idioms
In the biography of Zhu Liangzu in the history of Ming Dynasty, it is said that "all the people below Liangzu are ignorant of the philosophy of Ming Dynasty, but they also violate the principle of system, discipline and prudence, and they take their own actions."
Parallel head
spring flower and autumn moon -- seasonal views - chūn huā qiū yuè
hate evil as one does one 's enemy - jí è rú chóu