callous

1. ADJ A callous person or action is very cruel and shows no concern for other people or their feelings. 麻木不仁的; 冷酷无情的

...his callous disregard for human life. …他对人命的漠视。

2. callousnessN-UNCOUNT 麻木不仁; 冷酷无情

...the callousness of Raymond's murder. …雷蒙德凶杀案的冷酷无情。