It's time for classes.

到上课时间了。

youdao

He brings pizza for classes that perform well on tests.

他带了比萨饼给考试成绩好的班级。

youdao

Everyone is nervous and nobody knows where to go for classes.

每个人都很紧张，没有人知道去哪里上课。

youdao

He prepares for classes until very early in the morning.

VOA: special.2009.01.28

Things started to change probably on the first day of class, but not entirely-- because there's shopping period and it's such a wonderful thing-- you shop for classes.

事情也许从开课第一天就发生变化，但没有完全不同-,因为这是购物期，妙不可言的阶段-,你们选择课程。

哈佛公开课 - 幸福课课程节选

This was even longer than that. But also I would have to write this thing for one of the classes,

去年那段时间比高中的学习时间还长。而且我们还要写一些东西，

耶鲁的忙碌生活 - SpeakingMax英语口语达人

Every franchisee attends "Bug U" for classes in accounting, customer service, marketing and treating bacterial strains.

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After experiencing the working world, they can sign up for classes when they have more focus.

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The fund will also pay for classes if workers want to pursue another trade or career.

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