Sue is training to be a doctor.

苏正在接受医生培训。

《牛津词典》

I just decided I was a bit too frivolous to be a doctor.

我只是认定自己有点儿太轻率，不适合当医生。

《柯林斯英汉双解大词典》

I want to be a doctor like Wu Mengchao.

我想成为像吴孟超一样的医生。

youdao

"I would like to see the mountains," I said, and then my dream began to form along with the sentence, "I might,I want to be a doctor."

VOA: special.2009.02.14

So my dad's a doctor, my uncle's a doctor, So it's kind like you're going to be a doctor.

我的父亲和叔叔都是医生，所以你本来也该成为医生的。

普林斯顿公开课 - 人性课程节选

So I could be doing, I guess go into like...be a doctor or research work

所以我希望我能够做一名医生或者做研究工作，

我的梦想是百万富翁 - SpeakingMax英语口语达人

It is alleged he falsely purported to be a doctor in advertising material for the centre.

BBC: Amy Winehouse at Glastonbury in 2007

Beatrice Taylor, 41, worked in computer support for years but yearned to be a doctor.

FORBES: Magazine Article

Despite being a natural comedian, Moosa says he always wanted to be a doctor.

CNN: Comic talks Muslim humor and Islamophobia