sanctimonious

1. ADJ If you say that someone is sanctimonious, you disapprove of them because you think that they are trying to appear morally better than other people. 假道学的; 道貌岸然的[表不满]

He writes smug, sanctimonious rubbish. 他写的是自鸣得意、道貌岸然的垃圾。