extreme mercilessness 极度的残忍
absolute mercilessness 绝对的冷酷
show mercilessness 表现出无情
A: Did you see the mercilessness in his eyes?
A：你看到他眼神中的冷酷了吗？
B: Yes, it was truly chilling.
B：是的，真的很令人胆寒。
1) 残忍
2) 冷酷
3) 无情
1. 残忍，无情
noun
1. The quality of being cruel and showing no mercy or compassion.
Synonym: ruthlessness, cruelty