strike back
US /straɪk bæk/
UK /straɪk bæk/

1.
contraatacar, reaccionar
to retaliate or respond to an attack or provocation with a counterattack
:
•
After being insulted, he decided to strike back with a sharp retort.
Después de ser insultado, decidió contraatacar con una réplica aguda.
•
The army prepared to strike back against the enemy's offensive.
El ejército se preparó para contraatacar la ofensiva enemiga.