两人都干得很快，她们的巧手飞速地运动着，由于比赛带来的兴奋使她们不感到活儿很累。 Both work with speed, their skilful hands move rapidly, and the excitement of the contest makes the labor light.
在飞速发展的领域中，如计算机科学，研究人员遇到困难之一是跟上当今的发展水平。 One of the difficulties of researchers in a fast-moving area like computer science is keeping abreast of current developments.