He sat long, gazing vacantly at the floor, and by-and-by he began to punctuate his thoughts with little nervous movements of his hands that seemed to indicate vexation.

• 他坐了半天，神情茫然地盯着地板，慢慢地，他的两只手开始做一些神经质的小动作，圈点着心里的念头，好像是有点儿着急。