go on the offensive
US /ɡoʊ ɑn ðɪ əˈfensɪv/
UK /ɡoʊ ɑn ðɪ əˈfensɪv/

1.
melancarkan serangan, mengambil inisiatif menyerang
to start to attack or to act in a way that shows you are ready to attack
:
•
After a period of defense, the team decided to go on the offensive.
Selepas tempoh pertahanan, pasukan itu memutuskan untuk melancarkan serangan.
•
The politician decided to go on the offensive against his opponent's claims.
Ahli politik itu memutuskan untuk melancarkan serangan terhadap dakwaan lawannya.