callous

The dictator's callous disregard for human rights led to widespread international sanctions.

(Chinese) 独裁者对人权的冷酷漠视导致了广泛的国际制裁。

It was callous of him to make jokes about the victims of the natural disaster.

(Chinese) 他开关于自然灾害受害者的笑话，真是冷酷无情。