I'm supposed to have handed in a first draft of my dissertation.

我本应将论文初稿交上去。

《柯林斯英汉双解大词典》

I'm supposed to do something.

我应该做点什么。

youdao

I'm supposed to be here 20 minutes earlier.

我应该提前20分钟到的。

youdao

She saw me on TV... running. I'm supposed to go onthe number 9 bus to Richmond Street and get off and go one block left to 1947 Henry Street...

VOA: standard.other

This is what I'm supposed to tell you guys and we're all here to help you out.

我应该告诉你的就是这一点,我们在这的目的就是为了帮你们解决问题。

哈佛公开课 - 计算机科学课程节选

I'm supposed to ask, "What are your questions?"

我应该这样问，“你们的问题是什么“

耶鲁公开课 - 心理学导论课程节选

I'm supposed to focus only on the flagstick and visualize the ball getting there.

FORBES: Magazine Article

So I don't know what it is that I'm supposed to do when I'm retired.

NPR: Conductor James DePreist

I'm scared of prescribing to what I'm supposed to be or supposed to be doing.

CNN: STORY HIGHLIGHTS