I'm taking classes in self-defence.

我在上课学防身术。

Are there any classes I could observe?

有我可以观摩的课吗？

Her mother enrolled her in acting classes.

她母亲给她报了表演班。

Group therapy classes have been his salvation.

他一直靠参加集体疗法班来调节心理。

I learnt conversational Spanish at evening classes.

我在夜校班学过西班牙语会话。

The school runs cookery classes throughout the year.

这个学校全年都开设烹饪课。

He acquired a law degree by taking classes at night.

他通过上晚上的课获得了法律学位。

There are no compulsions on students to attend classes.

没有强求学生上课。

She now also does pottery classes at a community centre.

她现在还在社区中心上陶艺课。

The classes are keyed to the needs of advanced students.

这些课是针对高年级学生的需要开设的。

Many children can't function effectively in large classes.

许多孩子在大班上课时学习效果不好。

Optional extras include cooking classes at a top restaurant.

可选的额外之物包括一家高级餐馆的烹饪课程。

Will they permit you to sit in on a few classes as an observer?

他们会允许你旁听几节课吗？

Some teachers find it difficult to keep their classes in order.

有些教师觉得难以维持课堂秩序。

Your time could be usefully employed in attending night classes.

你的时间可以被有效地利用来上夜课。

You have a choice of coed or single-sex swimming exercise classes.

你可以选参加男女混合或是非混合的游泳练习课。

Politics used to be the perquisite of the property-owning classes.

政治曾经是有产阶级的特权。

Large classes dilute the quality of education that children receive.

大班上课会降低孩子所受教育的质量。

I'm open to suggestions for what you would like to do in our classes.

我很乐意听听你们对课堂活动的建议。

Do you think that mixed-ability classes hold back the better students?

你认为把不同能力的学生混合在一起的班级会妨碍较高水平学生的进步吗？

It was when she started drama classes that she really came out of herself.

她是在开始学习戏剧课程时才真正不再害羞。

There wasn't even a convenient place for students to assemble between classes.

甚至没有一个学生们课间集合的方便的地方。

Some people are unwilling to attend the classes partly because of the cost involved.

有些人不愿来上课，部分原因是所需的费用问题。

I pressed my parents until they finally gave in and registered me for skating classes.

我一直催着父母，直到他们最终让步给我报了名上溜冰课。

The president pledged himself to increase taxes for the rich but not the middle classes.

总统保证增加富人而不是中产阶级的税收。

He has offended the party's traditional base by pandering to the rich and the middle classes.

他迎合富人和中产阶级，触犯了该党的传统基础。

It took an extraordinary effort to focus on preparing his classes or correcting his students' work.

集中精力去备课或批改学生的作业费了他相当大的劲。

We have increased the number of teachers but the size of the classes hasn't changed proportionately.

我们已增加了教师的数量，但班级的大小并没有成比例地改变。

The two colleges have a reciprocal arrangement whereby students from one college can attend classes at the other.

两所学院有一项互惠协定，允许学生在院际间选课。

Many universities argued that students learned more when they were in classes out of choice rather than compulsion.

很多大学认为学生出于自愿比被逼迫上课能学到更多的东西。