smugly       
adverb  disapproving uk/ˈsmʌɡ.li/ us/ˈsmʌɡ.li/
 沾沾自喜地,自鸣得意地
in a way that shows too much satisfaction or confidence
  "I own three cars and two boats," he said smugly. “我有三辆汽车和两艘船,”他自鸣得意地说。 
 
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