be on the offensive
US /bi ɑn ðə əˈfɛn.sɪv/
UK /bi ɑn ðə əˈfɛn.sɪv/

1.
采取攻势, 处于进攻状态
to be in a position of attacking or making aggressive moves rather than defending
:
•
The team decided to be on the offensive from the start of the game.
球队决定从比赛一开始就采取攻势。
•
In the debate, she chose to be on the offensive, challenging her opponent's arguments.
在辩论中,她选择采取攻势,挑战对手的论点。