Holding a spear upside down
It is a Chinese idiom, Pinyin is d ǎ och í g ē m á o, which means "touchutai'a". It comes from the biography of Lu Zhi in the new book of Tang Dynasty.
Idiom explanation
You said that you were in favor of tai'a. Spear and spear are weapons.
The origin of Idioms
In the biography of Lu Zhi in the book of the new Tang Dynasty, it is said that "if you do not do anything about it, you will be the one who holds the spear upside down and gives the trout to the enemy."
Idiom usage
To act as a predicate or attributive
Holding a spear upside down
wring one 's heart to the very core - āi tòng yù jué