ADJ-GRADED 沾沾自喜的;自鸣得意的;洋洋自得的 If you say that someone is smug, you are criticizing the fact they seem very pleased with how good, clever, or lucky they are. 沾沾自喜的;自鸣得意的;洋洋自得的 [disapproval]
Thomas and his wife looked at each other in smug satisfaction.