anergy

例句：

1. 1. The team is anergic, unable to perform at fullcapacity.
   这个团队缺乏活力，无法发挥全部实力。
2. 2. Thelack of energy has left herfeeling anergic and unmotivated.
   缺乏能量让她感到无力和缺乏动力。
3. 3. The scientist was anergic fromoverwork and lack of sleep.
   这位科学家因过度劳累和睡眠不足而感到无力。