プログレッシブ和英中辞典(第4版)の解説
こうしゅ【攻守】
offense and defense，《英》 offence and defence；〔野球で〕batting and fielding
相手チームは攻守ともに優れていた
Our opponents were outstanding both offensively and defensively.
攻守ところを変えて今度は彼が私を攻め始めた
The tables were turned and he went on the offensive against me.
攻守同盟
an offensive and defensive alliance