capture and summarily execute
interpretation
It refers to killing people who resist arrest, commit murder or violate the ban on the spot instead of being convicted of murder.
source
Guo Moruo's Chinese history manuscript, Part 5, Chapter 3, section 3: "the Qing government dealt with the people by" fighting and killing ", and the people also dealt with the traitors by" fighting and killing "
capture and summarily execute
Take advantage of the opportunity - guà xí wéi mén
scrape the dirt off an object and make it shine - guā gòu mó hén
never go to the temple for nothing - wú shì bù dēng sān bǎo diàn