Now go throw down the gauntlet and see how you fare against the competition!

现在就开始挑战吧！看看你的竞赛会是怎样！

Throw down the gauntlet, make sure they know you believe they can do it, and ask: "Challenge accepted?"

撂下挑战，这样他们就会知道你相信他们能做到，不妨再问一句：“敢不敢试试?。

Russian President Dmitry Medvedev delivered a blistering critique of U. S. foreign policy that appeared to throw down the gauntlet to the incoming president.

俄罗斯总统梅德韦杰夫就美国的外交政策发表了措辞严厉的讲话，似乎是给这位新总统的一个下马威。

The technical feature, difficulties and throw down the gauntlet of every EMC research areas are presented in this paper based on Electromagnetic Compatibility (EMC) fundamentals.

在简介电磁兼容学科的基础上，阐述了电磁兼容的各个研究领域的技术特点及面对的困难和挑战。