The class needs waking up.

应该让这个班活跃起来。

《牛津词典》

Time is up. Class is over. That's all for today.

时间到了，下课了，今天就学到这儿。

youdao

The class got up when the teacher came in.

老师进来时全班起立。

《牛津词典》

There is so much interest in the book that Professor Ruffin says his new class is already at work on a follow-up book that will include creative writing by inmates and various kinds of art work as well.

VOA: standard.2009.10.21

I'm not sure whether we'll use the Classes server to have you sign up for discussion sections online, or whether we will do it the old-fashioned way and have you sign up on forms that we'll give you here in class.

我还没想要是用校网站,让大家在线讨论，还是用传统的,课堂讨论。

耶鲁公开课 - 新约课程节选

If the land isn't taken up by large oligarchies life slaveholding class--then the small guy has a chance.

如果土地没有被大的垄断方占有,奴隶阶级,弱小的一方就仍会有希望

耶鲁公开课 - 美国内战与重建课程节选

But it doesn't take a calculator to see how a long-term investor--which is what people investing for retirement are supposed to be--would pay a lot more after just a few years, even if up-front Class A-type fees are waived, as they often are in retirement accounts.

FORBES: R Shares, Competitive--But For Whom?

He grew up middle-class in Kensington, Maryland, the youngest of five boys.

FORBES: Under Armour CEO Kevin Plank And His Underdog Horse Farm

All these things -- health care security, American manufacturing, rebuilding America and putting construction workers back to work, making sure our kids are getting a great education and can afford college -- all these things that make up a middle-class life, they all tie together.

WHITEHOUSE: The White House