If you think that someone behaves or lives in a way that is morally good, you can say that they are righteous. People sometimes use righteous to express their disapproval when they think someone is only behaving in this way so that others will admire or support them.
I watched with pride, as you grew into a weapon of righteousness.我骄傲地看着你一天天长大，成为正义的化身。I watched with pride, as you grew into a weapon of righteousness.我骄傲地看着你一天天长大，成为正义的化身。