庸医的医术

例句：

1. 1. He was very disappointed when he found that the doctor was an incompetent one.
   当他发现那位医生是个不称职的人时，他非常失望。
2. 2. She decided to seek help from a qualified doctor instead of relying on an incompetent one.
   她决定去找一位合格的医生而不是依赖一个不称职的医生。
3. 3. The patient had been treated by an incompetent doctor, which led to further complications.
   病人被一个不称职的医生治疗过，这导致了进一步的并发症。