He once killed a man in a duel.他曾在决斗中杀死了一名男子。

They fought a duel over a girl.他们为一位姑娘进行了决斗。

a duel between central and local government中央政府与地方政府间的冲突

a verbal duel口头争论

More than 1,000 people turned up to hear two defenders of Darwinism duel with two proponents of intelligent design.1,000多人前来聆听了两位达尔文主义拥护者与两位智慧设计论支持者之间展开的辩论。

We duelled for two years and Peterson made the most of it, playing us off against each other.我们争斗了两年, 彼得森充分利用了这点, 在我们中间挑拨离间。