ruthlessness

基本解释

However this isn't just real ruthlessness-real ruthlessness BE, we connect to re- collect probably and the opportunity for searching, also lost forever!
然而这还不是真正残酷的——真正残酷的是，我们有可能连重新捡拾和找寻的机会，也永远地失去了！
blog.sina.com.cn
Bringing down Libya's Muammar Qaddafi was never going to be easy. He has cash and guns to sustain him, as well as cunning, ruthlessness and do-or-die determination.
虽然打到卡扎菲绝非易事，他有充裕的资金和武器做后盾，并且生性狡猾，冷酷无情，视死如归。
Jimmy Carter reacted against Richard Nixon's ruthlessness and Lyndon B. Johnson's horse-trading by becoming both too nice and too disdainful of congressional politics.
为了纠正理查德·尼克松的残忍无情和林顿·约翰逊的讨价还价，吉米·卡特变得过于善良，对国会政治过于轻蔑。

Virtue means for him a kind of manly self-assertion, audacity, ruthlessness, a reliance on one's own arms and calculated use of cruelty to achieve one's ends.
美德对他而言,是一种具男子气概的自作主张，胆大，冷酷，自助，且还会算计使用残忍手段,来达致目标。
耶鲁公开课 - 政治哲学导论课程节选

After all, it was the one that made the toughest calls, and it was for its pains excoriated in the international and domestic media for an excess of bloody-minded ruthlessness.
CENTERFORSECURITYPOLICY: Center For Security Policy
What is more, good American tabloid journalists seem in scarce supply, probably a result of sharply varying ethics (think puritanical American professionalism versus anything-goes British ruthlessness).
ECONOMIST: Life in the global gutter