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

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

NPR: Community College Only Path to Higher Ed for Many

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