1. The move was immediately challenged by two of the republics. 这项提案立即遭到了这两个共和国的质疑。
2. Democratic leaders have challenged the president to sign the bill. 民主党领导人对总统签署这项法案存有质疑。
3. Marsyas thought he could play the flute better than Apollo and challenged the god to a contest. 玛息阿觉得他长笛吹得比阿波罗好,便向这位神发出挑战。
4. That's why most people and organizations just roll over and give up when they're challenged or attacked by the I.R.S. 那就是为什么大部分人和组织遇到国内收入署的质疑和责问时转而听命并且放弃的原因。
5. In 2012, Kaggle challenged its community to build a program that could grade high school essays. 2012年,Kaggle 向其社区发起挑战,要求建立一个可以为高中作文打分的程序。