self-righteous :自以為是 adj. Piously sure of one's own righteousness; moralistic. Exhibiting pious self-assurance: self-righteous remarks 例句: A self-righteous person thinks they are...
正氣: righteousness (名詞)righteous (adj.) 1. Morally upright; without guilt or sin: a righteous parishioner.2. In...s got that righteous look all over him.He looks pretty righteous. 2011-09-20 02:33:54 補充： http://www.thefreedictionary.com/righteousness
righteous is the word that you are looking for, I think. be a [righteous] man.