辅导班的英文：
tutorial class
remedial class
auxiliary class

参考例句：

Ambitious Japanese parents have made private, out-of-school tuition a thriving business.
家长望子成龙使得私人开办校外辅导班在日本已经成为热门。

tutorial是什么意思：
n. 辅导材料；个别指导
adj. 指导教师的；监护人的

Lectures have replaced the old tutorial system.
讲座代替了旧的辅导制度。

A more compact review of a tutorial nature was published by Ginzburg.
金兹伯格则发表了一篇指导性质的更简明的述评。

developed special tutorials to assist the illiterate sector of society.
建立特殊教育来帮助社会上不识字的人们。

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。

remedial是什么意思：
adj. 治疗的，帮助康复的；补救的；辅导的

Is there a remedy for this condition?
有没有解决这个情况的方法？

Definition of remedial action: action taken to remedy a nonconformance.
补救行动的定义：补救不符合事项的行动。

It is a lack that should be remedied.
这是疏忽，得补救。