The killing was cold-blooded, and those who committed this atrocity should be tried and punished.

这场杀戮非常残酷，那些犯下此暴行的人应该受到审判和惩罚。

《柯林斯英汉双解大词典》

If true, though, why did cold-blooded animals such as snakes, lizards, turtles, and crocodiles survive the freezing winters and torrid summers?

如果这是真的，那么为什么像蛇、蜥蜴、乌龟和鳄鱼这样的冷血动物能在寒冷的冬天和炎热的夏天存活下来呢？

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Some scientists contend that many species of dinosaur had a metabolism more like a warm-blooded mammal's than a cold-blooded reptile's.

一些科学家认为，许多种类的恐龙的新陈代谢更像温血哺乳动物，而不是冷血爬行动物。

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People who show no human emotions or feelings,for example, are said to be cold-blooded.

VOA: special.2009.12.13

The most altruistic behavior of all, giving your life to help another, can be explained in cold-blooded evolutionary terms.

最利他的行为，就是为他人牺牲自己，这也可以用毫无人情味的进化论来解释。

耶鲁公开课 - 心理学导论课程节选

These are particularly callous and cold-blooded statements suggesting that this instinctive empathy, this aspect of moral thought, is not-- is present in most of us but not in all of us.

这些极其无情冷血的话,表明移情这种本能，这种道德观念的一个要素-,存在于我们大部分人当中，但不是所有人。

耶鲁公开课 - 心理学导论课程节选