soulfully       
adverb uk/ˈsəʊl.fəl.i/ us/ˈsoʊl.fəl.i/
 深情地
in a way that expresses deep feelings
  They looked soulfully into each other's eyes. 他们深情对视。 
 "I'm so sad that I missed you," he said soulfully. “我很难过我错过了你”他深情地说。 
 See: soulful
 - More examples
 - Her father is a handsome soldier gazing soulfully at the camera.
 - The moonlit night was made for romance, and he had been looking at her soulfully for some time.
 - She sang soulfully on a top 20 hit in 1965.