ruthless
adj. 无情的，冷酷的；（行为等）坚决的，果断的
比较级 more ruthless
最高级 most ruthless
例句
He was a ruthless expansionist.
他是个残酷的扩张主义者。
《牛津词典》
He's a ruthless businessman, as I know to my cost.
我吃了苦头后才知道他是个无情的商人。
The way she behaved towards him was utterly ruthless.
她对待他真是无情至极。
