1. Unlike any before, the Assyrians began boasting in their ruthlessness around this time. 同以往不同，亚述人在这段时间会开始自夸他们的冷酷。
2. During this competition, the team members all understood the ruthlessness of competition. 在这次比赛中，队员们都体会到了竞争的残酷。
3. In Chinese lore, a number of anecdotes tell of Cao Cao's ruthlessness, cunning, and military and political acumen. 中国历史上有很多关于曹操的残暴、狡猾，军事才能以及政治敏锐性的奇闻轶事。
英英解释
n.
1. mercilessness characterized by a lack of pity
2. feelings of extreme heartlessness
