After Labor Day we start classes.

劳动节之后我们就开学了。

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We had to start classes on Christmas and Halloween activities.

我们班中展开过关于圣诞节和万圣节的活动。

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Your algebra teacher wears clothes from 1985 and always mispronounces your name. Your English teacher loves to start classes with pop quizzes.

你的代数老师穿着1985年的衣服，老是喊错你的名字.英语老师总喜欢在上课前进行随堂小测.很难去想这些阅卷老师的是真实存在的。

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School is supposed to start in September. But,the agency says 3,700 schools may not be available for classes because they are being used to house 150,000 internally displaced people.

VOA: standard.2009.07.03

Right, one the things you can see now is, we start building up classes, we get these methods.

实际上是相等的，好，你们现在，可以明白的一件事情是。

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The beginning of fall semester, actually right before classes start,

秋季学期开始，实际上就是在开始上课之前，

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"I've had to start classes and drop, " she says, because of the other demands in her life.

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Enrolled and about to start classes at the Culinary Institute of America, she decided on a whim to take the Windows on the World wine course, held on the 106th floor of the North Tower.

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The Education Bureau says all schools that follow a Hong Kong curriculum must start the classes over a three-year period.

BBC: Hong Kong debates 'national education' classes