sadden
/ˈsædən/verb
with obj.(常作be saddened)
- cause to feel sorrow; make unhappy使悲伤, 使伤心; 使难过：
he was greatly saddened by the death of his only son
他为他独子的死伤心不已
with obj. and infinitive I was saddened to see their lack of commitment.看到他们缺乏献身精神我很难过。