I had to stand up in front of the whole school.

我只得在全校师生面前站起来。

《牛津词典》

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》

Everyone would stand up when the teacher entered the classroom.

老师走进教室时大家都会起立。

《牛津词典》

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

VOA: special.2009.11.05

Actually, if the teaching fellows could stand up so people could at least recognize you, that would be wonderful.

如果助教们能起立让大家都能,认识你们就更好了。

耶鲁公开课 - 旧约导论课程节选

Because if someone on either side of them were to stand up that person on the side would win.

因为如果他们任何一边有人,参选,那个人将会获胜

耶鲁公开课 - 博弈论课程节选

The same ethos of generous collaboration extends throughout the Stand Up To Cancer ecosystem, including donors, media companies, agencies, celebrities and industry supporters.

FORBES: The Collaborative Genius Behind Stand Up To Cancer

People who might not have the courage to stand up or the opportunity to stand up and speak about things that are very delicate and that people do not want to hear.

CNN: Singer Nneka tells world of love and injustice in Nigeria

That means that any public servant who has the courage to stand up to the special interests and stand up for the American people can find himself or herself under assault come election time.

WHITEHOUSE: Weekly Address: Fighting for the Public Against Special Interests | The White House