"让你感到疲惫的不是工作，而是你的担忧、挫折和怨恨消耗了你的能量。"

Simplified Meaning:

When we feel exhausted, it's often not just because of the work we have done. The real energy drain comes from our feelings of worry, frustration, and resentment. For example, imagine you have a job where you work long hours. If you enjoy your tasks and get along with your colleagues, you might feel tired but still happy and satisfied. On the other hand, if you are constantly stressed about making mistakes, frustrated with your boss, or resentful of how you're treated, you'll likely feel drained and unhappy even if the work isn't physically hard. To feel better, we should focus on managing our emotions and stress, not just our workload. Practicing relaxation techniques, talking about your feelings, and improving your work environment can help keep your energy levels up. By changing how we react to difficult situations, we can keep our spirits high and not let negative emotions wear us out.