ruthless
['ru:θlis]
adj. 残忍的, 无情的
例句与用法：
Don't be taken in by his charming manner; he's completely ruthless.
不要被他那副讨人喜欢的外表所迷惑，其实他冷酷无情。
He can be ruthless in getting what he wants, but I believe he would stop short of blackmail.
他这个人为达到目的是心黑手辣的,但我认为他还不至于使用敲诈手段。
His business rivals knew they could expect no quarter from such a ruthless adversary.
他的业务对手都知道不可指望他这样无情的人会手软。
He is a shrewd and sometimes ruthless adversary.
他是个精明的、有时候冷酷无情的对手。
He was utterly ruthless in his determination to succeed.
他下定决心争取成功。
He shows ruthless disregard for other people's feelings.
他对别人的感情漠不关心。
词形变化：
副词: ruthlessly | 名词: ruthlessness |
详细释义：
a.
1. 无情的, 残忍的
2. 硬着心肠下定决心的, 坚决的
We'll have to be ruthless if we want to eliminate unnecessary waste.
如果我们要杜绝不必要的浪费, 就得硬着心肠做。