交锋

cross swords;engage in a battle (or contest);clash;confrontation of ideas
球场上的～比战场上～高尚一万倍。competition on playground is ten thousand times better than that on battleground./两支排球队将在明天～。The two volleyball teams will face each other tomorrow./敌人不敢和我们正面～。The enemy didn’t dare to risk a frontal engagement with us./第一次大～the first great trial of strength/思想～confrontation of ideas