poignant
adjective uk/ˈpɔɪ.njənt/ us/ˈpɔɪ.njənt/
令人痛苦的，酸楚的；深深打动人的
causing or having a very sharp feeling of sadness
The photograph awakens poignant memories of happier days. 照片唤起了对美好时光的深情追忆。
It is especially poignant that he died on the day before the wedding. 他在婚礼前一天去世了，这令人分外悲痛。