cold-blooded

英 [ˌkəʊld ˈblʌdɪd]

美 [ˌkoʊld ˈblʌdɪd]

adj. 冷酷的; 无情的; 残酷的; 冷血的

牛津词典

adj.

冷酷的；无情的；残酷的
showing no feelings or pity for other people
1. a cold-blooded killer
  冷酷无情的杀手
冷血的
having a body temperature that depends on the temperature of the surrounding air or water

ADJ-GRADED 冷酷的;无情的;冷血的
Someone who iscold-bloodeddoes not show any pity or emotion.
1. ...a cold-blooded murderer...
  冷血的谋杀犯
2. This was a brutal and cold-blooded killing.
  这是一场残忍无情的杀戮。
(动物)冷血的(如爬行动物)
Cold-bloodedanimals have a body temperature that changes according to the surrounding temperature. Reptiles, for example, are cold-blooded.

adj

without compunction or human feeling
1. in cold blood
2. cold-blooded killing
3. insensate destruction
Synonym:coldinhumaninsensate
having cold blood (in animals whose body temperature is not internally regulated)

So they must have had a reptilian physiology-that is, a typically cold-blooded, slow metabolism.
所以，它们必然也有著爬行类的生理学，也就是典型的「冷血动物」，代谢速率很慢。
James Bond: I usually hate killing an unarmed man. Cold-blooded murder is a filthy business.
詹姆斯·德：我向来不愿意杀手无寸铁之人，冷血杀手是个肮脏的职业。
Cold-blooded people act in cruel ways.
冷血的人行事方式残忍。
Those Nazi soldiers killed the old man in cold-blooded.
那些纳粹士兵蓄意把那老人残酷地杀了。
The snake is not a warm-blooded animal. it's a cold-blooded one.
蛇不是温血动物，而是冷血动物。
He's not a cold-blooded killer.
但是他不是一个冷血死杀人犯。
In our defense, we thought you were a cold-blooded killer.
解释一下，我们当时以为你是冷血杀手。
They said he is a pitiless, cold-blooded fellow, with no geniality in him.
他们说他是个毫无怜悯心、一点也不和蔼的冷血动物。
Lizards and other cold-blooded critters bask in the sun to keep warm.
蜥蜴和其他冷血生物都会晒晒太阳，以保持温暖。
But for a cold-blooded animal such as a frog or a snake it is a different matter.
但是对于冷血动物，如青蛙和蛇，情况就不一样了。