Mr. Cameron warned against what he called a knee jerk reaction.

卡梅隆警告反对所谓的应激反应。

You just don't know that, you know, Daniel LaRusso is is an essence of, of me probably a little more amped up with his temper and knee jerk.

你只是不知道，你知道，Daniel LaRusso 是我的本质，他的脾气和下意识可能会让我更加兴奋。

If it's overactive, meaning it's too jumpy, it can signal a problem with an upper motor neuron, something in the spinal cord above the level of the knee jerk reflex, which is L3, L4, or something in the brain.

如果它过度活跃，意味着它太紧张，它可能表明上运动神经元有问题，脊髓中高于膝跳反射水平的东西，也就是 L3、L4 或大脑中的东西。