When your brain is unrested, you lose energy, you struggle to perform, and you become lost in a mental fog.

大脑没有休息好，你就会失去精力，难以跟进工作，迷失在精神迷雾中。

Even though you're doing different things in different places, your body is hardly ever active, leading to anxiety and mental fog.

即使你是换了地方做着不同的事情，身体几乎没运动，这会导致焦虑和精神混乱。

She describes to her husband a mental fog clouding her thoughts.

她向丈夫解释，就像她的心上蒙了一层雾。

I was aroused from my condition of mental fog by a sharp command from Poirot to fetch the doctor immediately on Mrs. Renauld's behalf.

波洛严厉地命令我立即代表雷诺太太请医生来， 这使我从精神迷雾中清醒过来。