1. He was appalled at what he saw.
    他被自己看到的景象吓坏了。

2. Appalled by the sight of so much suffering, Dunant organized a volunteer service to help in feeding and caring for the wounded soldiers.
    目睹如此惨状，杜兰特大为震惊，便组织了一支志愿服务队帮助照料伤兵。