Be loyal to the past and make up for the past(jìn sī jìn zhōng，tuì sī bǔ guò)

Be loyal to the past and make up for the past

source

In the twelfth year of Xuangong in Zuozhuan, it is said that "Lin's father's duty is to serve the king. He is loyal to the king and makes up for his mistakes. He is the guard of the country. How can he kill him?"

example

Therefore, I will be worthy of justice. The fifth volume of Wu Mingshi's Du Shi Yan Zhi in Qing Dynasty

Chinese PinYin : jìn sī jìn zhōng，tuì sī bǔ guò