是做什么的

what does … do?

→ 是
phrase Uncommon #7,765
what does … do? Usually asks about someone’s job or occupation; context can also make it a question about what they are doing.
CH: 你爸爸是做什么的?
EN: What does your dad do?

你父亲是做什么的?

What does your father do?

— 青春年少 (1998)

这是做什么的

What is this for?

— 满江红 (2023)

爸爸以前是做什么的?

What did Dad used to do?

— 充气娃娃之恋 (2007)

但是你们是特别的想想你们是做什么的?

But you’re special. Think about what you do.

— 甜蜜的生活 (1960)

他们是做什么的

What do they do?

— 爆裂鼓手 (2014)

你在这里是做什么的?

What are you doing here?

— 甜蜜的生活 (1960)

他是做什么的

What does he do?

— 美国黑帮 (2007)

她是做什么的

What does she do?

— 爆裂鼓手 (2014)

你不也知道我是做什么的吗

You know what I do too, don't you?

— 看见恶魔 (2010)

他是做什么的?

What does he do?

— 阿黛尔的生活 (2013)

容我问一下,您在达克油具体是做什么的?

May I ask what exactly you do at Daxue?

— 托尼·厄德曼 (2016)

不过你的男友…他是做什么的?

But your boyfriend... what does he do?

— 阿黛尔的生活 (2013)

你父亲是做什么的

What does your father do?

— 西线无战事 (2022)

她是做什么的?

What does she do?

— 勇往直前 (2004)

那她在布加勒斯特是做什么的?

So what does she do in Bucharest?

— 托尼·厄德曼 (2016)