Tian Guozheng一下子就听懂了，人家做医生的也是有话术的，为

Tian Guozheng一下子就听懂了，人家做医生的也是有话术的，为了避免责任，所以故意说的很困难。

Results (English) 1:

Tian Guozheng suddenly understand, people do, then surgery is also a doctor, in order to avoid responsibility, so is deliberately difficult.

Results (English) 2:

Tian Guozheng all of a sudden understand, people as doctors are also a doctor, in order to avoid responsibility, so it is difficult to say deliberately.

Results (English) 3:

Tian Guozheng understood at once. People who are doctors also have verbal skills. In order to avoid responsibility, it's very difficult to speak deliberately.