The result is a weird jerky motion that's hard to keep track of.

其结果是一个怪异的、难以追踪的颠簸运动。

There will be no jerky motions.

张：不会有任何不平稳的动作。

His legs were stiff, imparting a halting, jerky motion to his gait.

他的双腿僵硬， 使他的步态变得停滞不前。

Out of the corner of my eye I saw the pants ascending with the jerky motion of a broken escalator.

我用眼角的余光看到裤子像坏掉的自动扶梯那样急促地上升。

It will reach out with jerky motions to shake your hand, remember you and your previous conversations, and it can even use body language to show happiness and sadness.

它会以生涩的动作伸出手和你握手，记住你和你之前的谈话， 它甚至可以用肢体语言来表达快乐和悲伤。