上课迟到的英文：
late to class

参考例句：

You should avoid being late for your class
你应该避免上课迟到。

I have to cook up an excuse for being late for class.
我必须为上课迟到编个借口

Anna got a lucky break yesterday when the teacher failed to notice she was late for class.
安娜昨天运气不错，上课迟到而老师却没有注意到。

late是什么意思：
adj. 迟的；晚期的；最近的；已故的；前任的
adv. 迟，晚；接近末期；不久前

You are jolly late.
你来得很迟。

And then, in the late afternoon the sky will clear,
然后，下午晚些时候天空变晴，

Never too late to repent
过则勿惮改

Never too late to mend
过则勿惮改;亡羊补牢,为时不晚

Sorry I'm late!
对不起我迟到了！

class是什么意思：
n. 班级；阶级；种类
v. 分类；把…分等级
adj. 很好的

It is a step class.
这是踏板操训练班。

The class dismissed.
下课了。

The class teacher sectioned the class for dialogues.
老师把班级分组进行对话练习。

The class teacher dismissed the class on time.
教师按时下课。

A second - class letter is slower than a first - class.
二类信比一类信件慢。