poignancy
noun /ˈpɔɪnjənsi/
  /ˈpɔɪnjənsi/
 [uncountable]- the fact of having a strong effect on your feelings, especially in a way that makes you feel sad对你的感情有强烈影响的事实,尤其是以一种让你感到悲伤的方式 - the poignancy of parting and separation别离的痛苦 
- Of particular poignancy was the photograph of their son with his sisters, taken the day before he died.特别令人感伤的是他们的儿子去世前一天和姐妹们的合影。 
 
- the poignancy of parting and separation