This Chinese article has lots of important vocabulary.
打工 is very useful, it means to work a temporary/casual job. Students often use it for their part-time job.
我在餐厅打工
放学以后，我会去餐厅打工，当一名服务员。
在餐厅打工的时候，我需要做的事情有端盘子、给客人倒啤酒和在下班以后打扫卫生。
除了会有钱，我还可以在餐厅吃晚餐。经理觉得我工作得很好，决定给我加工资，每个星期给我一百五十块。
After school, I go to a restaurant to work as a waiter.
When I work in a restaurant, what I need to do is to carry plates, pour beer for the guests, and clean up after it closes.
In addition to having money, I can also eat dinner at the restaurant. The manager felt that I was working very well and decided to give me a raise, giving me 150 Yuan each week.