stunned       
adjective uk/stʌnd/ us/stʌnd/
C2 目瞪口呆
very shocked or surprised
  They stood in stunned silence beside the bodies. 他们站在尸体旁,目瞪口呆。 
 I am stunned and saddened by this news. 这个消息令我大为震惊,非常难过。 
 Synonyms: amazedastonishedastoundeddumbfounded