桑德拉决心成为一名医生，她的坚持不懈终于带来了成功。

Sandra was determined to become a doctor and her persistence paid off.

《柯林斯英汉双解大词典》

如果你想成为一名医生，为什么不去见一名医生，讨论要成为一名医生需要做些什么？

If you like to become a doctor, why don't you meet with a doctor and discuss what it takes to become one?

youdao

嗨！我是海伦。成为一名医生是我的梦想。

Hi! I'm Helen. Becoming a doctor is my dream.

youdao

If only I had chosen to become a doctor, instead of having chosen to become a lawyer.

要是我选择成为一名医生，而不是选择成为一名律师。

耶鲁公开课 - 死亡课程节选

You said that you want to become a doctor. So, which kind of field will you go into?

你说自己想成为一名医生。那么你具体打算从事哪个领域呢？

哥伦比亚大学的教程 - SpeakingMax英语口语达人

because I'm going to go to medical school, I'd assume and, become a doctor, and...

因为我在医学院学习，以后会成为一名医生，

介绍好朋友 - SpeakingMax英语口语达人