sadden

sadden
/ˈsædn; `sædn/ v[I, Tn]
(cause sb to) become sad （使某人）悲哀, 忧愁
    He saddened at the memory of her death. 他想到她已死去就很难过.
    Thebad news saddened us. 我们得知这个坏消息後非常伤心.

牛津英汉双解词典