in class和in the class的区分

意义不不异。in class这个词组的意义是“在教室上；上课中”，偏重夸大的是上课。in the class这个词组的意义是“在班级里”，不夸大上课或在教室上。class意义是班；班级；课；上课；(某科目标)系列学科。

in class例句

We are required to speak English in class.

上课时请求我们说英语。

Tom was admonished for chewing gum in class.

汤姆在教室上嚼口香糖，遭到了警告。

My Chinese teacher loves to tell jokes in class.

我的语文教师喜好在教室上讲笑话。

in the class例句

There is an equal number of boys and girls in the class.

这个班男女生人数相称。

Tom is probably the brightest student in the class.

汤姆大要是班里最智慧的门生。

Everyone in the class seemed eager to learn.

班上每一个人仿佛都酷爱进修。