lock horns

基本解释

Even then, America and Iran may be fated to lock horns in the Middle East. But the region, and the world, will be a good deal safer without the shadow of an Iranian bomb.
尽管如此，美伊两国还是难免会在中东地区发生摩擦，但是不管怎样，在没有伊朗核阴影存在的情况下，不管是中东地区还是世界都会感到更为安全些。
This second era ended some four decades later, after another world war had drained the Europeans of much of their strength, Arab nationalism had risen, and the two superpowers had begun to lock horns.
第二次世界大战消耗了欧洲人的大部分精力，在其之后，约四十年后，第二个时代结束。阿拉伯民族主义兴起，阿拉伯与欧洲两个超级大国开始发生冲突。
And the pair lock horns at Goodison at lunchtime today.
两队今天中午将在古迪逊展开激烈厮杀。

Two men, she says, are more likely to become buddies or lock horns in a power struggle.
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The competitors thrive as they lock horns with one another while still collaborating in an unusually open way.
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Whenever the auction is held, these rivals will lock horns, especially in Delhi, where only two slots are on offer.
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