set on
US /set ɑːn/
UK /set ɑːn/

1.
soltar em, atacar
to cause a person or animal to attack someone or something
:
•
The guard set his dog on the intruder.
O guarda soltou o cão no intruso.
•
They set on him with sticks and stones.
Eles o atacaram com paus e pedras.
2.
partir, estabelecer
to begin a journey or course of action with a particular intention
:
•
They set on their journey early in the morning.
Eles partiram em sua jornada de manhã cedo.
•
We need to set on a plan to address this issue.
Precisamos estabelecer um plano para resolver este problema.