coarse motion

例句：

1. 1. The coarse motionof the rope was enough to pull thebox out of the door.
   绳子的粗动作足以把箱子从门里拉出来。
2. 2. He had a rough motion in hisspeech and made some mistakes.
   他的演讲很粗糙，说了一些错误。
3. 3. Thecrude motion of the robotis impressive, but it lacks finesse.
   机器人的粗糙动作令人印象深刻，但缺乏技巧。