Be careful not to bump your head on the beam when you stand up.

当心站起来时头别撞了横梁。

《牛津词典》

Can you stand up?

你能站起来吗？

youdao

Do you hate that moment when you stand up in front of a group to speak and everybody looks at you?

你讨厌站在一群人面前讲话，每个人都看着你的那种时刻吗？

youdao

"When a teacher comes into the class you have to stand up and greet the teacher.

VOA: special.2009.11.05

You guys have to decide whether you, okay. So if you're going to, if you're running you stand up.

你们需要考虑是否你们,这么说吧,如果你们要,如果你要参选,你就站起来

耶鲁公开课 - 博弈论课程节选

and you close the door, and you stand up sleeping like this because there's no place to lay down.

然后你关上门，就像这样站着睡觉，因为没有地方躺。

在布鲁克林的生活 - SpeakingMax英语口语达人

Imagine how your legs feel when you stand up after a long road trip.

CNN: Ten cubicle-free jobs

You don't really know how much you can do until you stand up and decide to try.

WHITEHOUSE: It's Work Creating Jobs, But It's Worth It

You stand up for human rights and you stand up for universal values.

WHITEHOUSE: Diplomatic Corps Holiday Reception