Luxury car firm Jaguar has thrown down the gauntlet to competitors by giving the best guarantee on the market.

豪华轿车生产商捷豹公司通过提供市场上最佳的保修服务向竞争对手们发出了挑战。

《柯林斯英汉双解大词典》

Some of the wood that had been carelessly thrown down, caught fire and began to blaze.

一些不小心掉下来的木头着火了，开始燃烧。

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And so the gauntlet is now thrown down.

现在，挑战书已经抛出。

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But it may have also thrown down the gauntlet to a different adversary: Microsoft .

FORBES: Microsoft's 'Don't Be Evil' Dilemma

"The gauntlet has been thrown down to everybody, " said Paul Nicholson, product marketing director for XOOM.

BBC: CES 2011: Tablets do battle at Las Vegas gadget show

Now India has thrown down the gauntlet against big profits on branded drugs.

FORBES: India Court Ruling Against Novartis Is Dark Omen For Big Pharma