Don't argue with Professor Smith; you are not old enough to cross swords with him.

不要同史密斯教授争了，同他交锋，你还嫩了点。

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Characters leap over rooftops, walk up walls, and cross swords in breathtaking duels.

片中人物能飞檐走壁、以刀剑进行惊险对决。

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One man can't carry 1, 000 swords, nor can you cross a bridge which isn't there, and if you fill an empty cup it won't be empty any more.

没有谁能佩得了一千柄宝剑，没有人能走过一座不存在的桥。 空杯一单斟满，就不再是‘空’杯了。

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Regardless, they are sure to cross swords at some juncture, adding further spice to a match of extremely high stakes.

BBC: Brown & Diouf re-match adds spice to Old Firm derby

The two Arvinds cross swords on when and why India's fortunes turned.

ECONOMIST: India's economy

If confirmed, he's likely to cross swords again with GOP leaders in a new round of budget and debt-ceiling talks that were already likely to be contentious.

NPR: THE RESET: Obama Picks Familiar Faces For 2nd Term