1. But the paper was wrapped round a drum which rotated slowly. As long as all was still, the pen drew a straight line, but while the drum was being shaken, the line that the pen was drawing wriggled from side to side.
    但是纸是卷在慢慢放置的圆筒上的。只要一切都是静止的，笔就会划出一条直线；但是，圆筒受到震动，笔所画出的线就会左右摆动。

2. One beats a small drum, another plays a wooden stringed instrument, and the other three have smaller, violin- like pieces they play with a bow."
    他们中一个击鼓，另一个奏着木制的弦乐器，另外三个用琴弓拉着一种类似小提琴的小小的乐器。"

3. I have opted to live a life of complete honesty. So instead, I go out and drum up some business and draw cartoons.
    我选择了过一种完全诚实的生活，因此我不会那样做，而是四处找活，揽些画漫画的活。