3 sentences

1. 我不再行医了。

   wǒ bù zài xíng​yī le.

   I don't practice medicine anymore.

   Source: OpenSubtitles

2. 他在这个小镇行医二十年了。

   tā zài zhè gè xiǎo​zhèn xíng​yī èr​shí nián le.

   He has practiced medicine in this small town for twenty years.

   Source: Dong Chinese Dictionary

3. 他决定将自己多年的行医经验授给徒弟。

   tā jué​dìng jiāng zì​jǐ duō nián de xíng​yī jīng​yàn shòu gěi tú​dì.

   He decided to pass on his years of medical experience to his apprentice.

   Source: Dong Chinese Dictionary