我的食欲还好。我只是感到疲劳。有时我的两腿特别无力，我甚至不能爬楼梯。有时候我觉得气短和头晕。

• P: My appetite's all right. I just feel tired. My legs are so weak sometimes, I can't even climb the stairs. Occasionally, I feel short of breath and giddy.