go on/take the offensive
1. 发动攻势
He went on the offensive.
他发动了攻势。
on the offensive
1. 采取攻势的
He was still on the offensive against the sponsors.
他仍在攻击主办人。
习惯用语act on the offensive1.进攻, 采取攻势take the offensive1.进攻, 采取攻势assume the offensive1.进攻, 采取攻势offensive against1.对...的进攻