adj.自鸣得意的;自以为是的;整洁的;体面的;
例句:
What bothered me, however, was smug attitude.
但是, 让我懊恼的是机器那种傲慢字符的态度.
Road's of dream horizon, smug , the appearancedashing.
梦想之路的地平线,踌躇满志, 雄姿英发.
What are you looking so smug about?
你怎么这样一副神气活现的样子?