This is the 7699th most frequent Chinese word.
進攻
"進攻" means "to attack" or "to launch an offensive."
Here, 進攻 specifically refers to an offensive move in a sporting context.
球隊準備在比賽開始後立即進攻敵方的防守。
The team is ready to attack the opponent's defense as soon as the match starts.
In this sentence, 進攻 suggests a military offensive or assault.
我們必須加強防守,防止敵人進攻我們的堡壘。
We must strengthen the defenses to prevent the enemy from attacking our fortress.
The word 進攻 indicates a rhetorical attack or critique in an intellectual discussion.