精神不好

例句：

1. 1. She felt her stomach growling, and she couldn't help but feel a bit unwell.
   她感到胃在咕咕叫，不由得觉得有点不舒服。
2. 2. He was feeling down lately, and he needed some cheering up.
   他最近心情不太好，需要一些鼓励。
3. 3. Her mood was so bad that she decided to take a break from work and relax.
   她的心情非常糟糕，决定暂时离开工作休息一下。