In sudden anger, I took a knife and struck wildly at the cat. Quickly my wife put out her hand and stopped my arm.

我突然之间感到极度愤怒，拿起一把刀，疯狂地向猫捅去。妻子很快伸出手，拦住我的胳膊。

Due to the mechanics of our sleep cycles during the fourth stage of sleep called rapid eye movement or rim, we experience a loss of muscle tone that naturally stops our arms and legs from controlled movement.

由于我们的睡眠周期机制在睡眠的第四阶段称为快速眼动或边缘，我们会经历肌张力的丧失，自然会阻止我们的手臂和腿受控运动。