1. 正直的;正义的;正派的;（有时指）假正经的，道貌岸然的
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.
e.g. Aren't you afraid of being seen as a righteous crusader?...
你不怕被人看作是一个装腔作势的改革者？
e.g. He was full of righteous indignation.
他义愤填膺。