求翻译：在上学期间，利用课余时间当家庭教师，主要帮学生复习功课，解答不懂的问题。暑假，在饭店当过服务员，主要负责擦桌子，端菜。是什么意思？

正在翻译，请等待...

In school during school hours, when the family teachers, primarily for students who do not answer questions, review homework problems. Summer, when the waiter at the hotel, which is primarily responsible for the dishes, wipe off tables.

正在翻译，请等待...

In school, teachers in school when the family, primarily to help students review their homework, answers don't understand the problem. Summer, worked as a waiter in a restaurant, is primarily responsible for cleaning the table, side dishes.

Is going to school the period, using after school works as the tutor, the main gang student reviews the schoolwork, cannot explain question.Summer vacation, in the hotel works as the service person, primary cognizance has scratched the table, serves food.