cruelly

The prisoners of war were treated cruelly by their captors, denied food and basic medical care.

(Chinese) 战俘们受到抓捕者残酷的对待，被剥夺了食物和基本的医疗护理。

Nature can be cruelly indifferent to the survival of individual animals during a harsh winter.

(Chinese) 在严酷的冬季，自然界对个体动物的生存可能是残酷而冷漠的。