knowledgeably       
adverb uk/ˈnɒl.ɪ.dʒə.bli/ us/ˈnɑː.lɪ.dʒə.bli/
 知识渊博地;有见识地
in a way that shows or suggests that you know a lot
  She talks knowledgeably about pesticides. 她颇有见识地谈论杀虫剂。 
 Peter nodded knowledgeably. 彼得晓事地点点头。 
 See: knowledgeable
 - More examples
 - "It's caused by loss of blood," she said knowledgeably.
 - He compared the film script knowledgeably with Shakespeare's play.
 - She couldn't knowledgeably discuss the situation until she had more information.