プログレッシブ和英中辞典(第4版)の解説
てきたい【敵対】
敵対する 〔手向う〕turn [fight] against；〔反対する〕oppose
彼に敵対しても無駄だ
It is no use to 「turn against [oppose] him.／There's no point in fighting him.
社会党は激しく政府に敵対した
The Socialist Party strongly opposed the Government.
敵対関係
an adversarial relationship
敵対行為
a hostile act [action]
日本に対し敵対行為をとる
take hostile action against Japan／behave in a manner hostile to Japan
敵対行動
hostile activities [operations]
彼らは突然わが軍に対し敵対行動に出た
They suddenly turned against us.