Go before you hear
It is an idiom, pronounced Xi ā nx í NGH ò UW é n, which means to do something without asking for instructions, to create a fait accompli, and then to report it to the superior. It comes from the biography of cruel officials in the later Han Dynasty.
explain
It means that the minister executed people first, and then reported to the emperor.
source
According to the biography of cruel officials in the book of the later Han Dynasty, "it's the duty of facing the people. It's a matter of breaking the authority, eliminating the traitors, and first acting and then hearing."
Go before you hear
The branch is bigger than the root - zhī dà yù běn
Seeking loyalty and filial piety - qiú zhōng chū xiào