sorrowfully       
adverb  literary uk/ˈsɒr.əʊ.fəl.i/ us/ˈsɔːr.ə.fəl.i/
 悲痛地
in a very sad way
  They spoke sorrowfully about the young man's death. 他们悲痛地谈到了这个年轻人的死亡。 
 "It's hard on both families," she said sorrowfully. “这对两个家庭来说都很难,”她悲伤地说道。 
 See: sorrowful
 - More examples
 - Soldiers marched in groups and sorrowfully discussed the situation and its causes.
 - He was walking sorrowfully away, when he felt a touch upon his arm.
 - He shook his head sorrowfully.