gun down
US /ɡʌn daʊn/
UK /ɡʌn daʊn/

1.
matar a tiros, abater
to shoot and kill someone, especially with a firearm
:
•
The police officer was forced to gun down the suspect.
O policial foi forçado a matar a tiros o suspeito.
•
He was gunned down in cold blood.
Ele foi morto a tiros a sangue frio.