cold-blooded

US /ˈkoʊldˌblʌdɪd/
UK /ˈkoʊldˌblʌdɪd/
"cold-blooded" picture
1.

de sangue frio, pecilotérmico

having a body temperature that changes with the temperature of the surroundings

:
Reptiles are cold-blooded animals.
Répteis são animais de sangue frio.
Fish are also cold-blooded creatures.
Peixes também são criaturas de sangue frio.
2.

a sangue frio, cruel, impiedoso

without feeling or pity; cruel

:
It was a cold-blooded murder.
Foi um assassinato a sangue frio.
He made a cold-blooded decision to betray his friends.
Ele tomou uma decisão a sangue frio de trair seus amigos.