多病

例句：

1. 1. The old man is often plagued by colds and flus.
   这位老人经常被感冒和流感困扰。
2. 2. The baby is always in a bad mood because she's been ill for a longtime.
   宝宝总是心情不好，因为她病了很长时间。
3. 3. The company is facing a lot of challenges due to its poor management and unhealthy work culture.
   由于管理不善和不良的工作文化，这家公司正面临许多挑战。